Windows Defender, a built-in app in Windows computer, helps you protect your PC against computer viruses, spyware and other potentially unwanted software. And the four methods to turn it on in Windows 8 computer are summarized and illustrated one by one in the following.
Video guide on how to turn on Windows Defender in Windows 8:
Way 1: Turn Windows Defender on from Apps screen.
Open the Apps screen by Windows logo key+Q, and click Windows Defender on it.
Way 2: Open Windows Defender via search.
Go to Search panel with Windows logo key+F, input windows defender in the box and choose Apps. Then, tap Windows Defender on the result page.
Way 3: Turn on Windows Defender in Control Panel.
Step 1: Access Control Panel.
Step 2: Type windows in the top-right search box and select Windows Defender in the results.
Way 4: Open Windows Defender in Computer.
Press Windows logo key+E to open Computer, find MSASCui in Local Disk (C:)/Program Files/Windows Defender and double-tap it.
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