You can block a Websites using Host file in Window PC. Its very easy way to block with just edit host file on your Windows Computer. N
Block a Websites using Host File
1. Click on Start, then Click on My Computer.
2. Double Click on Root Drive Local Disk C: => Window => System 32 => Drivers => etc => Host
3. Right Click on Host File , then Open with Notepad
4. Enter the Name of the Website which you want to Block
Ex. 127.0.0.1 facebook.com
5. Click on File Menu, then Click on Save.