2.安装msysGit，注意要选择Full installer
http://code.google.com/p/msysgit/downloads/list?can=1&q=&colspec=Filename+Summary+Uploaded+ReleaseDate+Size+DownloadCount
3.安装TortoiseGit
http://code.google.com/p/tortoisegit/
TortoiseGit - The coolest Interface to Git Version Control¶Git Version of TortoiseSVN. It is a port of TortoiseSVN for Git.
4.查找相关使用教程，源码管理工具的操作大都相同，不再赘述
这个写的还比较详细，推荐看一下
http://blog.csdn.net/woshicaixianfeng/article/details/6863282
5.SVN 和GIT之间的差异
http://blog.csdn.net/yihui8/article/details/6445847
http://scmbob.org/git_and_svn.html
6.使用SSH通讯时需要生成SSH KEY见
http://liuzhijun.iteye.com/blog/1457207
https://help.github.com/articles/generating-ssh-keys
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moishalo/test_repository.git
git remote add origin git@github.com:<GIT用户名>/<repository名称>.git
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If you see "access denied" please consider using HTTPS instead of SSH. If you need SSH start at these instructions for diagnosing the issue.