Are you having problems with your computer, or don't know how to use it?

Then JimmyR's video tutorials are what you need!

Garry's Mod:

Garry's Mod also has a large community. For example, FacePunchStudios is the place where people can talk about anything including Gmod and other games.

You can also download maps for Garry's Mod at Garrysmod.org.