Access the Server Manager App from the Metro UI. In this Tutorial we will be installing Print and Documents Services roles and features, you may use this guide to add any roles and features that you wish to add in Windows Server 2012.
From the Server Manager’s Dashboard and in the Welcome to Server Manager page, click on Add roles and features
In the Add Roles and Features Wizard page, click on Next to proceed
In the Select installation type page select the installation type that you wish, in this Tutorial we will choose Role-based or feature-based installation then click on Next to continue
In the Select destination server page select a server or a virtual hard disk on which to install roles and features, click on Next to continue
You may add any additional features if you wish then click on Add Features to continue
In the Select server roles page Print and Document Services should be selected then click on Next to continue
In the Print and Document Services page click on Next to continue
In the Select role services page, select additional role services that you wish to install then click on Next to continue
In the Confirm installation selections page, you may wish to check the box to ‘Restart the destination server automatically if required’, otherwise click on Install to continue
In the Installation progress page, you may view the results and this concludes adding the Roles and Features.
Note: If there are any errors during this process, make sure to view the Event Viewer logs for any errors and hints for the resolutions of the issue(s).
Please check out my other Tutorial on Remove Roles and Features in Windows Server 2012.