How To Block And Unblock Websites Without Software

1. Go to Start and then Run. 
2. Type in this C:\WINDOWS\system32\drivers\etc 
3. Now you will see file name Host open that in Notepad. 
4. Below "127.0.0.1 localhost" add IP address of site to be blocked. 
5. To unblock any site just reversed the process.

• EXAMPLE 
• 127.0.0.1 localhost 
• 69.171.224.14 (This will block Facebook) 
• NOTE: For each site you block just add "1" to the IP (127.0.0.1)