Turn Windows features on or off
Some programs and features included with Windows, such as Internet Information Services, must be turned on before you can use them. Other features are turned on by default, but you can turn them off if you don't use them.
To turn features on or off
Swipe in from the right edge of the screen, and then tap Search.
(If you're using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, and then click Search.)
Enter Windows features in the search box, tap or click Settings, and then tap or click Turn Windows features on or off.
You might be asked for an admin password or to confirm your choice.
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To turn a Windows feature on, select the check box next to the feature. To turn a Windows feature off, clear the check box.
Tap or click OK.
Some Windows features are grouped together in folders, and some folders contain subfolders with additional features. If a check box is partially checked or is dimmed, then some of the items inside the folder are turned on and some are turned off. To view the contents of a folder, double-tap or double-click it.
Notes
Turning off a feature doesn't uninstall it from your PC or reduce the amount of hard drive space used by it. After you turn off a feature, you can turn it back on at any time.
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In Windows Server 2012, use Server Manager to turn Windows features on or off. For advanced information about how to use Server Manager, go to the Microsoft resource for IT professionals website.
If you're having problems installing Microsoft .NET Framework, go to the Support for Microsoft .NET Framework website.
