OK Voat, I'm pleasantly surprised that so many of you want to learn Linux. About damn time!
So let me give you my biggest secret to learning Linux. It is a Wargame. In this Wargame you need to solve a puzzle in order to obtain a password, which lets you to advance to the next level.
This Wargame will turn your biggest fear (teh Linux command line) into your biggest weapon. You will learn the secret incantations that place the arcane powers of the command line at your fingertips.
-- You do not need to install Linux. It is already installed on the Wargame server and waiting for you.
-- You need to connect to the Wargame server using SSH. The standard program for doing that in Windows is PuTTY download and install it.
-- Head to http://overthewire.org/wargames/bandit/ and follow the instructions.
-- Do not panic! Do not give up! Google is your Friend.
-- Report back on your progress here.
-- Good luck