Windows 10: Deleted email that is connected to windows key, how to assign key to new windows.

I started getting a pop-up asking my pin for windows, after I provide it, it asks me to log into my old email I deleted, and once I do so, it tells me that my email does not exist, and to try another one, when I try to log in with my new email, it says it does not match. What do I do?

:)

 

windows 10 key

Google and download the "Windows 10 media creation tool"

Create a USB flash drive ISO and that's all you need...it will work without needing a key..
Just skip past entering a key during full install and delete all partitions, format, create new drive and install...

As long as you have upgraded from Windows 8 first...you need to do that prior to using your Windows 8 key for 10.

 

Installing Windows 10 using Windows 7 key

Nope, you need to install Windows 10 first and make sure the Windows 7 key is transferred to your Windows account after you've installed Windows 10 (not quite sure how that works). I missed the last step and I could not activate Windows 10 after a re-install... Microsoft seem to have done everything they can to make it a PITA. Also, it's technically too late to do this now anyhow, as the upgrade offer has expired. But KMSPico works quite well...

As for getting rid of Windows, delete the Windows folder.

 

Windows 8.1 pro + WMC key activation

It does not change the windows 8 key, it gives you a new WMC key, which overides the installed windows 8 key as far as i read.