Whoa, whoa, there are people who like Windows?

Installing an operating system and enabling encryption won’t overwrite the data on the entire disk. Instead, it will only overwrite on the specific sectors on which this operating system was installed.

Other “previous” data on the disk will remain intact and unaffected.

No.

Severed Steel is a single-player FPS featuring a fluid stunt system, destructible voxel environments, loads of bullet time, and a unique one-armed protagonist. It’s you, your trigger finger, and a steel-toed boot against a superstructure full of bad guys. Chain together wall runs, dives, flips, and slides to take every last enemy down.

SteamDB | ProtonDB

Step one – install Linux

Step two – install Firefox

Oh, I almost forgot that most Linux distos come with Firefox pre-installed!