In order to disable the firewall please follow the procedure given below.
1. Open control panel. Click on System and Security
4. Uncheck the radio buttons from "Turn on Windows Firewall" to "Turn off Windows Firewall".
( Uncheck both options highlighted if you want to disable all functionality of firewall")
5. Click the "Ok" button. And the firewall will be disabled now.
6. If all done according to plan you will see a similar page.
7. Congratulations..You have successfully disabled Windows Firewall.