Windows 10: I need autoinstall guidance for Windows 11 Pro

I have a semi-working autounattend.xml file. It's only semi because there is a hiccup. Computer configuration:1 500 GB SSD For Linux Debian 121 4 TB HD For Windows 11 ProI have 2 autoinstall isos, one for Debian and one for Windows and I have them on one bootable Drive. I start the computer and choose to boot from the UEFI USB because if I choose the non-UEFI option it won't get past the selection screen. At the time I'm doing this, both drives are clean with no partitions. If I install Debian first, it autoinstalls on sda and everything goes fine. I can boot into it afterwards and ev

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Windows 11 Pro Upgrade from Windows 10 Pro Edition

No but after it installed the malfunctioning Windows 11 upgrade it was listed as Windows 11 Pro. Microsoft Windows support advised I reinstall Windows 10 Pro and said that Windows 11 is really only meant for new PC's that come with it preinstalled. MSI website doesn't list my 2020 GT76 Titan dt-039 notebook on their Windows 11 upgrade eligibility list so I guess that's why the Windows 11 Pro upgrade failed. I suggest being careful with trying the Windows 11 upgrade despite it stating my notebook was capable of running Windows 11 it was wrong. Luckily I have the original Windows 10 Pro USB Flash drive because the Windows 11 Pro upgrade was so incomplete I had no way of reverting notebook back to Windows 10 without reinstalling from a USB Flash.

 

Windows 11 Home to Pro upgrade

Want to upgrade 11 Home to 11 Pro. Tried download, but apparently files transferred were for 11 Enterprise. This will not activate; error is "invalid digital license or product key". This is on a new Surface. How to proceed?

Can withdraw/delete this. The suggestion to downgrade - listed below - with a 'fake' windows 10 key works.

 

Windows 11 Pro - Where to Buy today?

Here's Microsoft's official steps to Upgrade Windows Home to Windows Pro (microsoft.com).

1. Select Start > Settings > System > Activation.
   
2. Under Upgrade your edition of Windows, select Open Store
   
3. Make sure you’re signed in with your Microsoft account to purchase Windows 11 Pro
   
4. After you confirm your purchase, you’ll be prompted to install Windows 11 Pro and restart your PC. You’ll then be running Windows 11 Pro.