Git SCM Website
About Git
Git is an open source version control system that is "designed to handle everything from small to very large projects with speed and efficiency". Git is very fast and light-weight, and its distribution allows for a multitude of ways to safely and easily manage workflow whether it be a shared repository or a blessed repository.
Downloads
The downloads page allows any developer to quickly and easily download git for Mac, Windows, or Linux platforms. Older versions and the Git source repository are also available through GitHub.
Documentation
The full documentation and book (view below section) are available via the documentation page on the git website. Here you can view get the basics via text or video on how to use Git and how it can be implemented into your workspace.
Book
With the Pro Git book, developers can read into every last detail on the workings of Git and using all of its features to improve workflow for yourself and others involved in your projects. Everything you need to know about Git can be found here.
Summary
Git is a powerful yet easy to use platform for single or team developers. The above resources are a great read and a good way to get familiar with Git and get started with it right away.