Hello Eric.MY,
Good day! I'm John DeV a Windows user like you and I'll be happy to assist you today. I know this has been difficult for you, Rest assured, I'm going to do my best to help you.
I understand that license for Windows are pretty high right now but if you will purchase it directly from Microsoft, you will be getting a valid and genuine license.
Probably the cheap keys will work for a while but It might be blocked from use later by Microsoft when the key is reported stolen.
You may check this articles if it helps
https://www.howtogeek.com/392080/cheap-windows-...
https://answers.microsoft.com/en-us/windows/for...
Tips for safer shopping – in person or online
https://www.microsoft.com/en-us/howtotell/shop....
Stay safe and have a great weekend
John DeV
Independent Advisor
Standard Disclaimer: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.