Git Started!
If you’ve never worked with Git and want a step by step walk-through of how to get set up, take a look at GitHub’s excellent documentation.
This page walks you through configuring git and creating or cloning repositories
https://help.github.com/articles/set-up-git#platform-windows (make sure you select your Operating System)
Step-by-step view of processes in GitHub – branch, make and commit changes, create a pull request, discuss, and merge
https://guides.github.com/introduction/flow/index.html
A detailed explanation of forking a repository
https://guides.github.com/activities/forking/index.html
GitHub Guides – helpful resources on key GitHub features like contributing, markdown, wikis, pages, etc.
More information about how Git works with some additional concepts
http://git-scm.com/book/en/Getting-Started-Git-Basics
Git operations quick reference (cheat-sheet)
http://rogerdudler.github.io/git-guide/