diff --git a/README.md b/README.md
index e8281ce..fc3a73a 100644
--- a/README.md
+++ b/README.md
@@ -3,3 +3,9 @@ dns-iptables-rules
 
 DNS Amplification IPTABLES block lists and Rules against DNS Attacks
 
+Install:
+1. cd /opt && mkdir dns-iptables-rules
+2. copy all there
+3. add crontab 
+   0 0 * * * /bin/sh /opt/dns-iptables-rules/update_domain_blacklist.sh
+