Microsoft support assist tool

Good for uninstalling Office

https://www.microsoft.com/en-us/download/details.aspx?id=103391

Unlock Hacker Locked PC

https://www.bleepingcomputer.com/news/security/lock-my-pc-used-by-tech-support-scammers-dev-offers-free-recovery/

Lock My PC

FSPro Labs

Enter 999901111

numeric recover code will appear under the password field

Go to recovery page