Forum Discussion
mw_200
Oct 21, 2025Copper Contributor
Anti-virus on Windows 11?
 Dear Microsoft community,  Would be most grateful for any answers to this question.  A few days ago, I downloaded and installed Windows 11.  I had been using Windows 10 before.  I used Microsoft Defe...
Samuellasb
Oct 30, 2025Iron Contributor
Many Windows 11 devices come with third-party antivirus solutions like McAfee pre-installed, often as part of OEM bundles or initial setup. If you prefer to use Microsoft Defender instead, you'll want to completely uninstall or disable McAfee so it doesn't conflict with Defender.