Hello,
Microsoft will never proactively reach out to you to provide unsolicited PC or technical support. If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your "issue" fixed, it's better to be safe and not click any links or provide any personal information.
If you feel like you've been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it.
Submit report
Best Regards
Zunhui