How to block a Website in my PC?

Using this trick you can block a website in your PC.By this trick, Block facebook ,block twitter in your PC .after that the blocked website can’t access from any browser.so that it is a safest way for blocking Adult sites,and other unwanted sites.No software is required for this .Only some steps.Follow below steps to block unwanted sites.

How to Block a website ?

1. Go to : My computer \ C:\WINDOWS\system32\drivers\etc
2. Now you can see a binary  file named as   “hosts”
3. open this file with Notepad.
4. Now go to bottom of the text and type as below

127.0.0.1 www.example.com
for Eg: if you want block facebook and youtube type as below.the IP address and website address should be seperated by atleast a single  space.
127.0.0.1 www.youtube.com
127.0.0.1 www.facebook.com