Here are quickstep to setup git in windows :
1. Download git from http://git-scm.com/download/win
2. In Installation, make sure to enable git and linux command in command prompt (yes, the red text)
Now, git can be accessed from your command prompt. Next step is generate ssh key for windows.
Go to git bash (you can search in windows menu) and execute
1 | ssh-keygen -t rsa -C "your-email" |
Now, you can find the public key in C:\Users\