How to Block Website Without Software (Without software)

Its So Easy Must Try it In your Pc 
1-Find your computer's HOSTS file. For NT Based Windows, that's C:\winnt\system32\drivers\etc. For others, that's C:\windows\system32\drivers\etc.

2-If the file is missing simply create create a new one by going to File >> New >> Text File (Text Document). Name it "HOSTS" without the .txt

3-Open the hosts file using Notepad. Right-click the host file, select Open >> Notepad and click OK.

4-Add new entries to block at the bottom of the file. For example, if you wish to block evil-site.com, add this to the bottom of the hosts file (after 127.0.0.1 press TAB not Spaces)

5-Save the file..

It's Done