Win10 Windows Defender Update Virus and Spyware Definition Method

  
Under Win10, Windows Defender, the built-in security software, automatically updates virus and spyware definitions by default. Of course, there are users who prohibit it from automatically updating, but choose to manually update. So how do you do this?
Steps
1. Open Windows Denfender (view open method).
2. Click the “Update” tab, then click the “Update” button.

3. Windows Defender starts to update.























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