AH. I see what you mean. If you dont want to wait for microsoft support, Hold down Shift and click the power button and choose restart while holding down shift. From the windows troubleshoot menu, choose troubleshoot and reset this pc. You can then wipe the pc and start over.
If she created a brand new microsoft account before for this pc you can forget it and create a new one and then delete the other account on the web at a later time.
If she has another email account with google or anything else you can create an account with that email.
When creating a microsoft account make sure to add a phone number and recovery options so this does not happen again. I'm guessing like most people she rushed through it and that's how you got locked out. Just take your time creating the account.
You should be good to go then :)
This tutorial will show you how to boot to the advanced startup (WinRE) in Windows 11. The Windows Recovery Environment (WinRE) is a companion operating system installed alongside Windows 11, typically in a separate partition, that can help with troubleshooting, recovery, or booting from...
www.elevenforum.com
This tutorial will show you how to reset Windows 11 and Remove everything or Keep my files. You can reset Windows 11 when your PC isn’t working well and it’s been a while since you installed an app, driver, or update. Resetting reinstalls Windows 11, but lets you choose whether to keep your...
www.elevenforum.com