There are continuing robocalls being made warning that your Windows licensing has expired and all your Windows services will be stopped.
Yep, that's a scam. Don't call any numbers they give you and don't give them any information, just pretend you don't even know what "Windows" is and hang up. Here are just a few reports about the same thing, and these are just from this site:
Microsoft will never call you unless you specifically place a callback request with tech support, and even then it's iffy that they will.