The Group Policy Management Console (GPMC) is a Microsoft Management Console (MMC) snap-in used to administrate group policies in a Windows domain controller. Although it’s actually part of Windows Server 2008, it’s not part of the default installation but it can be installed afterwards. Here are the steps required to install it.

Click on the Start button and go to Administrative Tools / Server Manager:

In the Server Manager, select Features on the left hand side. This will display the list of installed features. You will see that Group Policy Management is missing:

Click on Add Feature and the following dialog will be displayed:

There select Group Policy Management and press Next. Then confirm the installation of the feature by clicking Install in the following dialog:

Then close the Server Manager when the installation is done. That’s it, now you can start the GPMC by using Windows logo key and R and executing gpmc.msc.