Hi
Make sure disable all the McAfee features:
https://www.wikihow.com/Disable-McAfee
after turning off, Windows Security would automatically notify you to turn on firewall and device security, or search Windows Security in the search bar, start Windows security and follow its instruction to activate.
If you’re considering removing McAfee:
https://service.mcafee.com/webcenter/portal/cp/home/articleview?articleId=TS101331
Please note: Information posted in the given link is hosted by a third party. Microsoft does not guarantee the accuracy and effectiveness of information.
I hope this information above can help you.