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This is literally your OS’s creator adding a backdoor, it could be anything bit they dont seem to care to do anything other than adware.
That’s why win 10 was free, and still is. So is 11. You can still install and activate win 11 pro for free with a 7 pro key, today.
Its a freaking vector for selling you other crap.
You don’t even have to activate it at all. It’s fully functional forever unactivated. Just a watermark.