I use 7-zip for this purpose, however there's also a Windows version of Info-Zip if you'd prefer that.

I wish I was compared to a plumber more. They're more respected and often better paid.

Yes, they're using the extension TorBlock to do this.

A lot of states have "at-will" employment where you can easily get fired for something like this, although it benefits the employees too since they can quit at any time.