Block website without any software, simple trick!!

Steps:

1] Browse C:\WINDOWS\system32\drivers\etc

2] Find the file named "HOSTS"

3] Open it in notepad

4] Under "127.0.0.1 localhost" Add 127.0.0.2 http://www.sitenameyouwantblocked.com , and that site will no longer be accessable.
5] Done!

-So-

127.0.0.1 localhost

127.0.0.2 http://www.blockedsite.com
-->www.blockedsite.com is now unaccessable<--

For every site after that you want to add, just add "1" to the last number in the internal ip (127.0.0.2) and then add like before. Example: 127.0.0.3 http://www.blablabla.com
127.0.0.4 http://www.blablabla.com 127.0.0.5 http://www.blablabla.com