What Windows 10 optional features to turn on and off?

Here’s how to turn on or off optional features on Windows 10 using Control Panel:

1. Open Control Panel.
2. Click on Programs.
3. Click the Turn Windows features on or off link.
4. On Windows Features, check or clear the feature you want.
5. Click OK to enable and disable the feature.

Should I turn on all Windows features?

All these Windows 10 features take up space on your hard drive whether you have them enabled or not. But you shouldn’t just enable every feature–that could result in security problems and slower system performance. Only enable the features you need and will actually use.