diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..0d08e26
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,11 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions" # See documentation for possible values
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"
diff --git a/.github/workflows/PSScriptAnalyzer.yml b/.github/workflows/PSScriptAnalyzer.yml
new file mode 100644
index 0000000..e46d73f
--- /dev/null
+++ b/.github/workflows/PSScriptAnalyzer.yml
@@ -0,0 +1,46 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+#
+# https://github.com/microsoft/action-psscriptanalyzer
+# For more information on PSScriptAnalyzer in general, see
+# https://github.com/PowerShell/PSScriptAnalyzer
+
+name: PSScriptAnalyzer
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    permissions:
+      contents: read # for actions/checkout to fetch code
+      security-events: write # for github/codeql-action/upload-sarif to upload SARIF results
+    name: PSScriptAnalyzer
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Run PSScriptAnalyzer
+        uses: microsoft/psscriptanalyzer-action@6b2948b1944407914a58661c49941824d149734f
+        with:
+          # Check https://github.com/microsoft/action-psscriptanalyzer for more info about the options.
+          # The below set up runs PSScriptAnalyzer to your entire repository and runs some basic security rules.
+          path: .\
+          recurse: true
+          # Include your own basic security rules. Removing this option will run all the rules
+          #includeRule: '"PSAvoidGlobalAliases", "PSAvoidUsingConvertToSecureStringWithPlainText"'
+          output: results.sarif
+
+      # Upload the SARIF file generated in the previous step
+      - name: Upload SARIF results file
+        uses: github/codeql-action/upload-sarif@v3
+        with:
+          sarif_file: results.sarif
diff --git a/.github/workflows/pester.yml b/.github/workflows/pester.yml
new file mode 100644
index 0000000..d6e3434
--- /dev/null
+++ b/.github/workflows/pester.yml
@@ -0,0 +1,33 @@
+name: Run Pester Tests
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  pester:
+    runs-on: windows-latest 
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Install Pester
+      shell: pwsh
+      run: Install-Module -Name Pester -Force -Scope CurrentUser
+
+    - name: Run Pester Tests
+      run: |
+        # Run Pester tests with Code Coverage
+        Import-Module -Name Pester -Force
+        [PesterConfiguration] $config = Import-PowerShellDataFile -Path ".\config.pester.psd1" -ErrorAction Stop
+        Invoke-Pester -Configuration $config
+
+    - name: Upload code coverage report
+      if: ${{ success() }}
+      uses: actions/upload-artifact@v4
+      with:
+        name: code-coverage-report
+        path: coverage.xml
diff --git a/Functions/New-PSOneQRCode.Tests.ps1 b/Functions/New-PSOneQRCode.Tests.ps1
index 6e75406..07c7fd9 100644
--- a/Functions/New-PSOneQRCode.Tests.ps1
+++ b/Functions/New-PSOneQRCode.Tests.ps1
@@ -1,24 +1,24 @@
 BeforeAll {
     Import-Module "$PSScriptRoot\..\loader.psm1" -Force
-    $Global:defaultQrCodePath | Remove-Item -Force -ErrorAction SilentlyContinue
+    Get-DefaultQrCodePath | Remove-Item -Force -ErrorAction SilentlyContinue
 }
 
 Describe 'New-PsOneQRCode' {
     AfterEach {
-        $Global:defaultQrCodePath | Remove-Item -Force -ErrorAction SilentlyContinue
+        Get-DefaultQrCodePath | Remove-Item -Force -ErrorAction SilentlyContinue
     }
 
     It 'defaults to file based output' {
         New-PSOneQRCode -payload 'Test' -Show $False
 
-        Get-Item $Global:defaultQrCodePath | Should -Exist
+        Get-Item (Get-DefaultQrCodePath) | Should -Exist
     }
 
     It 'returns the byte array when `-AsByteArray` switch is on' {
         $byteArray = New-PSOneQRCode -payload 'Test' -Show $False -AsByteArray
 
         $byteArray.Count | Should -Not -BeNullOrEmpty
-        Test-Path $Global:defaultQrCodePath | Should -BeFalse
+        Test-Path (Get-DefaultQrCodePath) | Should -BeFalse
     }
 }
 
diff --git a/Functions/New-PSOneQRCode.ps1 b/Functions/New-PSOneQRCode.ps1
index e26a149..59869c8 100644
--- a/Functions/New-PSOneQRCode.ps1
+++ b/Functions/New-PSOneQRCode.ps1
@@ -20,7 +20,7 @@ function New-PSOneQRCode {
 
             .PARAMETER AsByteArray
             Returns the byte array data for in memory processing.
-            
+
             .EXAMPLE
             New-PSOneQRCode -payload $payload -Width $width -Show -OutPath $OutPath
             Creates a QR code png graphics on your desktop, and opens it with the associated program
@@ -50,29 +50,27 @@ function New-PSOneQRCode {
 
         [Parameter(ParameterSetName = 'File')]
         [string]
-        $OutPath = $Global:defaultQrCodePath,
-        
+        $OutPath = (Get-DefaultQrCodePath),
+
         [Parameter(ParameterSetName = 'ByteArray')]
         [switch]
         $AsByteArray,
 
-        [byte[]] 
+        [byte[]]
         $DarkColorRgba = @(0, 0, 0),
 
         [byte[]]
         $LightColorRgba = @(255, 255, 255)
-        
     )
-        
 
     $generator = New-Object -TypeName QRCoder.QRCodeGenerator
     $data = $generator.CreateQrCode($payload, 'Q')
-    $code = new-object -TypeName QRCoder.PngByteQRCode -ArgumentList ($data)
+    $code = New-Object -TypeName QRCoder.PngByteQRCode -ArgumentList ($data)
     $byteArray = $code.GetGraphic($Width, $darkColorRgba, $lightColorRgba)
-    
+
     if ($AsByteArray) { return $byteArray }
-    
+
     [System.IO.File]::WriteAllBytes($outPath, $byteArray)
-    
+
     if ($Show) { Invoke-Item -Path $outPath }
 }
\ No newline at end of file
diff --git a/Functions/New-PSOneQRCodeGeolocation.Tests.ps1 b/Functions/New-PSOneQRCodeGeolocation.Tests.ps1
index b93158e..718a50c 100644
--- a/Functions/New-PSOneQRCodeGeolocation.Tests.ps1
+++ b/Functions/New-PSOneQRCodeGeolocation.Tests.ps1
@@ -1,17 +1,17 @@
 BeforeAll {
     Import-Module "$PSScriptRoot\..\loader.psm1" -Force
-    $Global:defaultQrCodePath | Remove-Item -Force -ErrorAction SilentlyContinue
+    (Get-DefaultQrCodePath) | Remove-Item -Force -ErrorAction SilentlyContinue
 }
 
 Describe 'New-PSOneQRCodeGeolocation' {
     AfterEach {
-        $Global:defaultQrCodePath | Remove-Item -Force -ErrorAction SilentlyContinue
+        (Get-DefaultQrCodePath) | Remove-Item -Force -ErrorAction SilentlyContinue
     }
 
     It 'defaults to file based output' {
         New-PSOneQRCodeGeolocation -Address 'Test'
 
-        Get-Item $Global:defaultQrCodePath | Should -Exist
+        Get-Item (Get-DefaultQrCodePath) | Should -Exist
     }
 
     It 'throws when address is not found' {
@@ -22,7 +22,7 @@ Describe 'New-PSOneQRCodeGeolocation' {
         $byteArray = New-PSOneQRCodeGeolocation -Address 'Test' -AsByteArray
 
         $byteArray.Count | Should -Not -BeNullOrEmpty
-        Test-Path $Global:defaultQrCodePath | Should -BeFalse
+        Test-Path (Get-DefaultQrCodePath) | Should -BeFalse
     }
 }
 
diff --git a/Functions/New-PSOneQRCodeGeolocation.ps1 b/Functions/New-PSOneQRCodeGeolocation.ps1
index f598386..af8ac7c 100644
--- a/Functions/New-PSOneQRCodeGeolocation.ps1
+++ b/Functions/New-PSOneQRCodeGeolocation.ps1
@@ -36,7 +36,7 @@
             https://github.com/TobiasPSP/Modules.QRCodeGenerator
     #>
 
-    [CmdletBinding(DefaultParameterSetName = "Address")]
+    [CmdletBinding(DefaultParameterSetName = 'Address')]
     param
     (
         [Parameter(Mandatory, ParameterSetName = 'Location')]
@@ -64,7 +64,7 @@
         [Parameter(ParameterSetName = 'Location')]
         [Parameter(ParameterSetName = 'Address')]
         [string]
-        $OutPath = $Global:defaultQrCodePath,
+        $OutPath = (Get-DefaultQrCodePath),
         
         [Parameter(ParameterSetName = 'ByteArrayLocation')]
         [Parameter(ParameterSetName = 'ByteArrayAddress')]
@@ -79,7 +79,7 @@
 
     )
 
-    if ($PSCmdlet.ParameterSetName -eq "Address") {
+    if ($PSCmdlet.ParameterSetName -eq 'Address') {
         $AddressEncoded = [System.Net.WebUtility]::UrlEncode($Address)
         $ApiUri = "http://nominatim.openstreetmap.org/search?q=$AddressEncoded&format=xml&addressdetails=1&limit=1"
         $Response = Invoke-RestMethod -Uri $ApiUri -UseBasicParsing
@@ -87,7 +87,7 @@
         $place = $Response.searchresults.place
 
         if ($null -eq $place) {
-            throw "Address not found."
+            throw 'Address not found.'
         }
         $Latitude = $place.lat
         $Longitude = $place.lon
@@ -98,11 +98,11 @@ geo:$Latitude,$Longitude
 "@
 
     $splat = @{
-        payload        = $payload
-        Show           = $Show
-        Width          = $Width
-        OutPath        = $OutPath
-        darkColorRgba  = $darkColorRgba
+        payload = $payload
+        Show = $Show
+        Width = $Width
+        OutPath = $OutPath
+        darkColorRgba = $darkColorRgba
         lightColorRgba = $lightColorRgba
     }
 
diff --git a/Functions/New-PSOneQRCodeText.Tests.ps1 b/Functions/New-PSOneQRCodeText.Tests.ps1
index f55d0a7..509984b 100644
--- a/Functions/New-PSOneQRCodeText.Tests.ps1
+++ b/Functions/New-PSOneQRCodeText.Tests.ps1
@@ -1,24 +1,24 @@
 BeforeAll {
     Import-Module "$PSScriptRoot\..\loader.psm1" -Force
-    $Global:defaultQrCodePath | Remove-Item -Force -ErrorAction SilentlyContinue
+    (Get-DefaultQrCodePath) | Remove-Item -Force -ErrorAction SilentlyContinue
 }
 
 Describe 'New-PSOneQRCodeText' {
     AfterEach {
-        $Global:defaultQrCodePath | Remove-Item -Force -ErrorAction SilentlyContinue
+        (Get-DefaultQrCodePath) | Remove-Item -Force -ErrorAction SilentlyContinue
     }
 
     It 'defaults to file based output' {
         New-PSOneQRCodeText -Text 'Test'
 
-        Get-Item $Global:defaultQrCodePath | Should -Exist
+        Get-Item (Get-DefaultQrCodePath) | Should -Exist
     }
 
     It 'returns the byte array when `-AsByteArray` switch is on' {
         $byteArray = New-PSOneQRCodeText -Text 'Test' -AsByteArray
 
         $byteArray.Count | Should -Not -BeNullOrEmpty
-        Test-Path $Global:defaultQrCodePath | Should -BeFalse
+        Test-Path (Get-DefaultQrCodePath) | Should -BeFalse
     }
 }
 
diff --git a/Functions/New-PSOneQRCodeText.ps1 b/Functions/New-PSOneQRCodeText.ps1
index d231e7b..cc8126f 100644
--- a/Functions/New-PSOneQRCodeText.ps1
+++ b/Functions/New-PSOneQRCodeText.ps1
@@ -45,7 +45,7 @@
 
         [Parameter(ParameterSetName = 'File')]
         [string]
-        $OutPath = $Global:defaultQrCodePath,
+        $OutPath = (Get-DefaultQrCodePath),
         
         [Parameter(ParameterSetName = 'ByteArray')]
         [switch]
@@ -59,11 +59,11 @@
     )
 
     $splat = @{
-        payload        = $Text
-        Show           = $Show
-        Width          = $Width
-        OutPath        = $OutPath
-        darkColorRgba  = $darkColorRgba
+        payload = $Text
+        Show = $Show
+        Width = $Width
+        OutPath = $OutPath
+        darkColorRgba = $darkColorRgba
         lightColorRgba = $lightColorRgba
     }
 
diff --git a/Functions/New-PSOneQRCodeTwitter.Tests.ps1 b/Functions/New-PSOneQRCodeTwitter.Tests.ps1
index a77f4d3..e62b4a8 100644
--- a/Functions/New-PSOneQRCodeTwitter.Tests.ps1
+++ b/Functions/New-PSOneQRCodeTwitter.Tests.ps1
@@ -1,24 +1,24 @@
 BeforeAll {
     Import-Module "$PSScriptRoot\..\loader.psm1" -Force
-    $Global:defaultQrCodePath | Remove-Item -Force -ErrorAction SilentlyContinue
+    (Get-DefaultQrCodePath) | Remove-Item -Force -ErrorAction SilentlyContinue
 }
 
 Describe 'New-PSOneQRCodeTwitter' {
     AfterEach {
-        $Global:defaultQrCodePath | Remove-Item -Force -ErrorAction SilentlyContinue
+        (Get-DefaultQrCodePath) | Remove-Item -Force -ErrorAction SilentlyContinue
     }
 
     It 'defaults to file based output' {
         New-PSOneQRCodeTwitter -ProfileName 'Test'
 
-        Get-Item $Global:defaultQrCodePath | Should -Exist
+        Get-Item (Get-DefaultQrCodePath) | Should -Exist
     }
 
     It 'returns the byte array when `-AsByteArray` switch is on' {
         $byteArray = New-PSOneQRCodeTwitter -ProfileName 'Test' -AsByteArray
 
         $byteArray.Count | Should -Not -BeNullOrEmpty
-        Test-Path $Global:defaultQrCodePath | Should -BeFalse
+        Test-Path (Get-DefaultQrCodePath) | Should -BeFalse
     }
 }
 
diff --git a/Functions/New-PSOneQRCodeTwitter.ps1 b/Functions/New-PSOneQRCodeTwitter.ps1
index 620a2e6..a838ea7 100644
--- a/Functions/New-PSOneQRCodeTwitter.ps1
+++ b/Functions/New-PSOneQRCodeTwitter.ps1
@@ -45,7 +45,7 @@
 
         [Parameter(ParameterSetName = 'File')]
         [string]
-        $OutPath = $Global:defaultQrCodePath,
+        $OutPath = (Get-DefaultQrCodePath),
         
         [Parameter(ParameterSetName = 'ByteArray')]
         [switch]
@@ -59,11 +59,11 @@
     )
 
     $splat = @{
-        payload        = "http://www.twitter.com/$ProfileName"
-        Show           = $Show
-        Width          = $Width
-        OutPath        = $OutPath
-        darkColorRgba  = $darkColorRgba
+        payload = "http://www.twitter.com/$ProfileName"
+        Show = $Show
+        Width = $Width
+        OutPath = $OutPath
+        darkColorRgba = $darkColorRgba
         lightColorRgba = $lightColorRgba
     }
 
@@ -74,5 +74,4 @@
     }
 
     New-PSOneQRCode @splat
-
 }
\ No newline at end of file
diff --git a/Functions/New-PSOneQRCodeURI.Tests.ps1 b/Functions/New-PSOneQRCodeURI.Tests.ps1
index b18412c..e09bca5 100644
--- a/Functions/New-PSOneQRCodeURI.Tests.ps1
+++ b/Functions/New-PSOneQRCodeURI.Tests.ps1
@@ -1,24 +1,24 @@
 BeforeAll {
     Import-Module "$PSScriptRoot\..\loader.psm1" -Force
-    $Global:defaultQrCodePath | Remove-Item -Force -ErrorAction SilentlyContinue
+    (Get-DefaultQrCodePath) | Remove-Item -Force -ErrorAction SilentlyContinue
 }
 
 Describe 'New-PSOneQRCodeURI' {
     AfterEach {
-        $Global:defaultQrCodePath | Remove-Item -Force -ErrorAction SilentlyContinue
+        (Get-DefaultQrCodePath) | Remove-Item -Force -ErrorAction SilentlyContinue
     }
 
     It 'defaults to file based output' {
         New-PSOneQRCodeURI -URI 'http://127.0.0.1'
 
-        Get-Item $Global:defaultQrCodePath | Should -Exist
+        Get-Item (Get-DefaultQrCodePath) | Should -Exist
     }
 
     It 'returns the byte array when `-AsByteArray` switch is on' {
         $byteArray = New-PSOneQRCodeURI -URI 'http://127.0.0.1' -AsByteArray
 
         $byteArray.Count | Should -Not -BeNullOrEmpty
-        Test-Path $Global:defaultQrCodePath | Should -BeFalse
+        Test-Path (Get-DefaultQrCodePath) | Should -BeFalse
     }
 }
 
diff --git a/Functions/New-PSOneQRCodeURI.ps1 b/Functions/New-PSOneQRCodeURI.ps1
index f169cce..26f0b13 100644
--- a/Functions/New-PSOneQRCodeURI.ps1
+++ b/Functions/New-PSOneQRCodeURI.ps1
@@ -37,7 +37,7 @@ function New-PSOneQRCodeURI {
     param
     (
         [Parameter(Mandatory)]
-        [alias("URL")]
+        [alias('URL')]
         [System.Uri]
         $URI,
 
@@ -50,7 +50,7 @@ function New-PSOneQRCodeURI {
 
         [Parameter(ParameterSetName = 'File')]
         [string]
-        $OutPath = $Global:defaultQrCodePath,
+        $OutPath = (Get-DefaultQrCodePath),
         
         [Parameter(ParameterSetName = 'ByteArray')]
         [switch]
@@ -64,11 +64,11 @@ function New-PSOneQRCodeURI {
     )
     
     $splat = @{
-        payload        = $URI.AbsoluteUri
-        Show           = $Show
-        Width          = $Width
-        OutPath        = $OutPath
-        darkColorRgba  = $darkColorRgba
+        payload = $URI.AbsoluteUri
+        Show = $Show
+        Width = $Width
+        OutPath = $OutPath
+        darkColorRgba = $darkColorRgba
         lightColorRgba = $lightColorRgba
     }
 
diff --git a/Functions/New-PSOneQRCodeVCard.Tests.ps1 b/Functions/New-PSOneQRCodeVCard.Tests.ps1
index 16a8c63..4c42c1d 100644
--- a/Functions/New-PSOneQRCodeVCard.Tests.ps1
+++ b/Functions/New-PSOneQRCodeVCard.Tests.ps1
@@ -1,37 +1,37 @@
 BeforeAll {
     Import-Module "$PSScriptRoot\..\loader.psm1" -Force
-    $Global:defaultQrCodePath | Remove-Item -Force -ErrorAction SilentlyContinue
+    (Get-DefaultQrCodePath) | Remove-Item -Force -ErrorAction SilentlyContinue
 }
 
 Describe 'New-PSOneQRCodeVCard' {
     AfterEach {
-        $Global:defaultQrCodePath | Remove-Item -Force -ErrorAction SilentlyContinue
+        (Get-DefaultQrCodePath) | Remove-Item -Force -ErrorAction SilentlyContinue
     }
 
     It 'defaults to file based output' {
         $splat = @{
             FirstName = 'Test'
-            LastName  = 'Test'
-            Company   = 'Test'
-            Email     = 'tst@test.test'
+            LastName = 'Test'
+            Company = 'Test'
+            Email = 'tst@test.test'
         }
         New-PSOneQRCodeVCard @splat
 
-        Get-Item $Global:defaultQrCodePath | Should -Exist
+        Get-Item (Get-DefaultQrCodePath) | Should -Exist
     }
 
     It 'returns the byte array when `-AsByteArray` switch is on' {
         $splat = @{
-            FirstName   = 'Test'
-            LastName    = 'Test'
-            Company     = 'Test'
-            Email       = 'tst@test.test'
+            FirstName = 'Test'
+            LastName = 'Test'
+            Company = 'Test'
+            Email = 'tst@test.test'
             AsByteArray = $True
         }
         $byteArray = New-PSOneQRCodeVCard @splat
 
         $byteArray.Count | Should -Not -BeNullOrEmpty
-        Test-Path $Global:defaultQrCodePath | Should -BeFalse
+        Test-Path (Get-DefaultQrCodePath) | Should -BeFalse
     }
 }
 
diff --git a/Functions/New-PSOneQRCodeVCard.ps1 b/Functions/New-PSOneQRCodeVCard.ps1
index 4a696f5..1430f0f 100644
--- a/Functions/New-PSOneQRCodeVCard.ps1
+++ b/Functions/New-PSOneQRCodeVCard.ps1
@@ -71,7 +71,7 @@
 
         [Parameter(ParameterSetName = 'File')]
         [string]
-        $OutPath = $Global:defaultQrCodePath,
+        $OutPath = (Get-DefaultQrCodePath),
         
         [Parameter(ParameterSetName = 'ByteArray')]
         [switch]
@@ -96,11 +96,11 @@ END:VCARD
 "@
 
     $splat = @{
-        payload        = $payload
-        Show           = $Show
-        Width          = $Width
-        OutPath        = $OutPath
-        darkColorRgba  = $darkColorRgba
+        payload = $payload
+        Show = $Show
+        Width = $Width
+        OutPath = $OutPath
+        darkColorRgba = $darkColorRgba
         lightColorRgba = $lightColorRgba
     }
 
diff --git a/Functions/New-PSOneQRCodeWifiAccess.Tests.ps1 b/Functions/New-PSOneQRCodeWifiAccess.Tests.ps1
index 43ea2d0..b27a2e5 100644
--- a/Functions/New-PSOneQRCodeWifiAccess.Tests.ps1
+++ b/Functions/New-PSOneQRCodeWifiAccess.Tests.ps1
@@ -1,24 +1,24 @@
 BeforeAll {
     Import-Module "$PSScriptRoot\..\loader.psm1" -Force
-    $Global:defaultQrCodePath | Remove-Item -Force -ErrorAction SilentlyContinue
+    (Get-DefaultQrCodePath) | Remove-Item -Force -ErrorAction SilentlyContinue
 }
 
 Describe 'New-PSOneQRCodeWifiAccess' {
     AfterEach {
-        $Global:defaultQrCodePath | Remove-Item -Force -ErrorAction SilentlyContinue
+        (Get-DefaultQrCodePath) | Remove-Item -Force -ErrorAction SilentlyContinue
     }
 
     It 'defaults to file based output' {
         New-PSOneQRCodeWifiAccess -SSID 'Test' -Password 'Test'
 
-        Get-Item $Global:defaultQrCodePath | Should -Exist
+        Get-Item (Get-DefaultQrCodePath) | Should -Exist
     }
 
     It 'returns the byte array when `-AsByteArray` switch is on' {
         $byteArray = New-PSOneQRCodeWifiAccess -SSID 'Test' -Password 'Test' -AsByteArray
 
         $byteArray.Count | Should -Not -BeNullOrEmpty
-        Test-Path $Global:defaultQrCodePath | Should -BeFalse
+        Test-Path (Get-DefaultQrCodePath) | Should -BeFalse
     }
 }
 
diff --git a/Functions/New-PSOneQRCodeWifiAccess.ps1 b/Functions/New-PSOneQRCodeWifiAccess.ps1
index 0a5be89..d889d0c 100644
--- a/Functions/New-PSOneQRCodeWifiAccess.ps1
+++ b/Functions/New-PSOneQRCodeWifiAccess.ps1
@@ -56,7 +56,7 @@
 
         [Parameter(ParameterSetName = 'File')]
         [string]
-        $OutPath = $Global:defaultQrCodePath,
+        $OutPath = (Get-DefaultQrCodePath),
         
         [Parameter(ParameterSetName = 'ByteArray')]
         [switch]
@@ -74,11 +74,11 @@ WIFI:S:$SSID;T:WPA2;P:$Password;;
 "@
 
     $splat = @{
-        payload        = $payload
-        Show           = $Show
-        Width          = $Width
-        OutPath        = $OutPath
-        darkColorRgba  = $darkColorRgba
+        payload = $payload
+        Show = $Show
+        Width = $Width
+        OutPath = $OutPath
+        darkColorRgba = $darkColorRgba
         lightColorRgba = $lightColorRgba
     }
 
diff --git a/PSScriptAnalyzerSettings.psd1 b/PSScriptAnalyzerSettings.psd1
new file mode 100644
index 0000000..843f3df
--- /dev/null
+++ b/PSScriptAnalyzerSettings.psd1
@@ -0,0 +1,41 @@
+@{
+    Severity = @(
+        'Error',
+        'Warning'
+    )
+    IncludeRules = @(
+        'PSAvoidUsingWriteHost',
+        'PSAvoidUsingCmdletAliases',
+        'PSAvoidUsingEmptyCatchBlock',
+        'PSAvoidGlobalVars',
+        'PSAvoidUsingInvokeExpression',
+        'PSUseDeclaredVarsMoreThanAssignments',
+        'PSUseCompatibleCommands',
+        'PSUseConsistentIndentation',
+        'PSUseConsistentWhitespace',
+        'PSUseCorrectCasing',
+        'PSUseLiteralInitializerForHashtable'
+    )
+    ExcludeRules = @(
+        'PSAvoidTrailingWhitespace',
+        'PSUseShouldProcessForStateChangingFunctions'
+    )
+    Rules = @{
+        PSUseConsistentIndentation = @{
+            Enable = $true
+            IndentationSize = 4
+            PipelineIndentation = 'IncreaseIndentationAfterEveryPipeline'
+        }
+        PSUseConsistentWhitespace = @{
+            Enable = $true
+            CheckInnerBrace = $true
+            CheckOpenBrace = $true
+            CheckOperator = $true
+            CheckSeparator = $true
+            CheckParameter = $true
+        }
+        PSUseCorrectCasing = @{
+            Enable = $true
+        }
+    }
+}
\ No newline at end of file
diff --git a/QRCodeGenerator.psd1 b/QRCodeGenerator.psd1
index 19a03da..9ff2681 100644
--- a/QRCodeGenerator.psd1
+++ b/QRCodeGenerator.psd1
@@ -1,25 +1,35 @@
 @{
-RootModule = 'loader.psm1'
-ModuleVersion = '2.6.0'
-CompatiblePSEditions = 'Core', 'Desktop'
-GUID = '24384c68-14b0-46d1-ada8-7e0595d477a6'
-Author = 'Dr. Tobias Weltner'
-CompanyName = 'powershell.one'
-Copyright = '2021 Dr. Tobias Weltner (MIT-License)'
-Description = 'creates QR codes offline'
-PowerShellVersion = '5.1'
-FunctionsToExport = 'New-PSOneQRCodeGeolocation', 'New-PSOneQRCodeTwitter', 
-               'New-PSOneQRCodeWifiAccess', 'New-PSOneQRCodeVCard', 'New-PSOneQRCodeText' , 'New-PSOneQRCodeURI'
-CmdletsToExport = '*'
-VariablesToExport = '*'
-AliasesToExport = 'New-QRCodeGeolocation', 'New-QRCodeTwitter', 'New-QRCodeVCard', 
-               'New-QRCodeWifiAccess', 'New-QRCodeText', 'New-QRCodeURI'
-PrivateData = @{
-    PSData = @{
-        Tags = 'QRCode', 'powershell.one'
-        LicenseUri = 'https://en.wikipedia.org/wiki/MIT_License'
-        ProjectUri = 'https://github.com/TobiasPSP/Modules.QRCodeGenerator'
-        ReleaseNotes = 'added new Methods New-QRCodeText and  New-QRCodeURI'
+    RootModule = 'loader.psm1'
+    ModuleVersion = '2.6.0'
+    CompatiblePSEditions = 'Core', 'Desktop'
+    GUID = '24384c68-14b0-46d1-ada8-7e0595d477a6'
+    Author = 'Dr. Tobias Weltner'
+    CompanyName = 'powershell.one'
+    Copyright = '2021 Dr. Tobias Weltner (MIT-License)'
+    Description = 'creates QR codes offline'
+    PowerShellVersion = '5.1'
+    FunctionsToExport = @(
+        'New-PSOneQRCodeGeolocation',
+        'New-PSOneQRCodeTwitter',
+        'New-PSOneQRCodeWifiAccess',
+        'New-PSOneQRCodeVCard',
+        'New-PSOneQRCodeText' ,
+        'New-PSOneQRCodeURI'
+    )
+    AliasesToExport = @(
+        'New-QRCodeGeolocation',
+        'New-QRCodeTwitter',
+        'New-QRCodeVCard', 
+        'New-QRCodeWifiAccess',
+        'New-QRCodeText',
+        'New-QRCodeURI'
+    )
+    PrivateData = @{
+        PSData = @{
+            Tags = 'QRCode', 'powershell.one'
+            LicenseUri = 'https://en.wikipedia.org/wiki/MIT_License'
+            ProjectUri = 'https://github.com/TobiasPSP/Modules.QRCodeGenerator'
+            ReleaseNotes = 'added new Methods New-QRCodeText and  New-QRCodeURI'
+        } 
     } 
-} 
 }
diff --git a/config.pester.psd1 b/config.pester.psd1
new file mode 100644
index 0000000..86bca7a
--- /dev/null
+++ b/config.pester.psd1
@@ -0,0 +1,11 @@
+@{
+    Run = @{
+        Path = '.'
+    }
+    CodeCoverage = @{
+        Enabled = $true
+    }
+    TestResult = @{
+        Enabled = $true
+    }
+}
\ No newline at end of file
diff --git a/loader.psm1 b/loader.psm1
index 0d494ba..c0289de 100644
--- a/loader.psm1
+++ b/loader.psm1
@@ -4,8 +4,8 @@ $content = 'TVqQAAMAAAAEAAAA//8AALgAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
 
 $null = [System.Reflection.Assembly]::Load([System.Convert]::FromBase64String($content))
 
-$Global:tempFolder = [System.IO.Path]::GetTempPath()
-$Global:defaultQrCodePath = Join-Path -Path $Global:tempFolder -ChildPath 'qrcode.png'
+$script:defaultQrCodePath = Join-Path -Path ([System.IO.Path]::GetTempPath()) -ChildPath 'qrcode.png'
+Function Get-DefaultQrCodePath { return $script:defaultQrCodePath }
 
 # LOADING ALL FUNCTION DEFINITIONS:
 . $PSScriptRoot\Functions\New-PSOneQRCodeVCard.ps1