To add and remove Features in Windows Server:
In Server Manager (Start -> Administrative Tools -> Server Manager), select Features in the left pane, and then click Add Features or Remove Features in the Features pane.
To add new Features choose Add Features in the Features pane. Check the related check box, click Next:
Click Install to install new Features:
If some other Features are required to install the selected feature, you will have to install the other Features too by clicking the Add Required Features button.
To remove installed Features choose Remove Features in the Features pane. Uncheck the related check box, click Next:
Click Remove to remove Features:
If you want to remove a Feature that another Feature depends on, you will have to remove the other Feature too by clicking the Remove Dependent Feature button.