Well, first you're going to need the
players handbook, it explains the basics of play and character creation, you can skim over the play mechanics and I can fill you in on them as you go. The book looks pretty intimidating at 322 pages, but you really don't need to read the vast majority of it. You'll want to read page 6 for an overview of the character creation process. I recommend picking a race covered in the handbook, but if you really want to play as a bugbear, you can find the important racial stats
here.
Chapter 3 is pretty straight forward, pick your class and read the relevant information, then copy it onto your character sheet. Chapters 4 and 5 are pretty self explanatory, but if you need help choosing skills/feats to match your class, let me know and I'll help.
*I have to split this into two posts, heh