Http://jingyan.baidu.com/article/4853e1e529483c1909f726c3.html
Help->installnew software, this is the recommended method for installing plug-ins, because installing eclipse will check the plugin compatibility for you, while looking for other plug-ins for you to make the plug-in more usable. Never copy the plugin into Eclipse's directory yourself, which makes the plugin extremely difficult to maintain.
Find the update address for egit, click the Add button in the Add plugin to update the address, as shown in
Tick the Egit components you need, click the Next button to check if the plugin is larger, this step will be slow, please wait patiently
If the check passes, then click Finish directly, if not, then there will be a hint, like this:
After the installation is complete, restart Eclipse. When the restart is complete, click on the following:
Enter a query in preferences git, you can see the configuration information, indicating that the installation was successful, such as:
Basic software Information
http://www.eclipse.org/egit/download/