Hello @overworked
While installing McAfee Total Protection, Windows Defender will automatically get disabled and McAfee will start its protection against Viruses and threats.
To access Windows Defender settings, please follow the below steps
1. Select Start or the Windows logo at bottom right
2. Select Settings
3. Go to Update & Security
4. Select Windows Security→Virus & threat protection→Manage settings
Please let us know if it solves your query
Regards,
Madhan M
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