How to block all sites except for a few that are necessary for windows 10 to work?

Question

Windows

Hello.
What is the best way to restrict access to the Internet. Programmatically or built-in windows functions

Answer 1

In IE - tools - Internet Options - Connections Tab - Lan Settings - Use proxy 127.0.0.1
Click advanced Add the allowed websites to the exceptions list

Will work for chrome. In firefox the same thing, only in its settings.
You can make a policy and roll on the entire domain