How can I block a site so I can't access it? Is there any software or something like that?

Question

System administration

In short, there are sites like pikapu vk and so on. I need to make sure I can't access them.
And it was hard to get around.

Answer 1

Do not pay for the Internet.

Answer 2

1. Open file C:/Windows/System32/drivers/etc/hosts
2. Add lines there:

127.0.0.1 pikabu.ru
127.0.0.1 vk.com

3. Save the file.

Answer 3

put in the hosts file

Answer 4

Put a locker which thread. and through it to close access to sites. And then put a password from the category to access the settings (let the cat walk on the keyboard) and do not write down for yourself

Answer 5

Train your willpower, weakling!