Any Weblock - How to block website

I have long sought a way to prevent his brother enter the online game as they walked through the night and I already hnevalo. So I google a bit and I found a freeware program Any Weblock. The program can be downloaded HERE or just for example just enter in Google 'Ana Weblock download "and download it from prískušnéj site since the program is freeware (offered free).
Once you start you can set a password for entry into the program that nobody except you did not. Then just simply click on ADD and you open a mini window as in Figure No. 2 where just the top box, write the address inatrnetovej attachment sites and for the sub. Now it's blocked page and input pages is easy. The program works so that the hosts file that stores the address of the page file, see in C: \ windows \ system32 \ drivers \ etc. File open example. in a text document, and from there you can delete or add additional pages.