It's worth emphasizing that keeping it dual boot until you're comfortable will let you take a break if you get frustrated rather than wiping Linux and going back to Win full time.
Get a book on Linux, if you're the type who likes learning from books (I do). There's so many to choose from. Check reviews before you order or go to a book store and flip through some until you find one you like.
No. What's going on, have you been hanging out with Hillary? Don't do more damage.