Windows 10: Crash during Windows 11 upgrade

I tried to upgrade to Windows 11 through the windows updater. It crashed after about 55%, and came up with "Undoing changes made to your computer".After restart, and every time since, it says "Recovery. Your PC/Device needs to be repaired. A required device isn't connected or can't be accessed. Error code: 0xc000000fYou need to use recovery tools"I can get to the recovery environment with a boot USB with both Windows 11 or Windows 10. When it boots, it says "It looks as though you started an upgrade and booted from installation media. If you want to continue with the upgrade, remove the medi

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all games crash!

I suggest you run rthdribl > http://www.daionet.gr.jp/~masa/archives/rthdribl_1_2.zip
Increase the window size step by step and watch your vga temps permanently.
What happens?
If it crashes, run at stock speeds as suggested before and retry.

P.S.: When your system locks, does the display signal turn off after a time?
Stuttering sound or no sound at all when freezing?
What X1800XT model do you own exactly?

 

Upgrading to windows 11

I have a few questions about windows 11...

1. How many GB it is? when my pc suggested the upgrade yesterday, it said it's about 4GB just want to be sure.
   
2. I'm using a windows 10 pro so if I upgrade, will it upgrade to a windows 11 pro?
   

 

Upgrade to Windows 11

I want to upgrade my OS from Windows 10 to Windows 11. I have run the compatibility software and got the message that says my Windows 10 software is not compatible with upgrading to Windows 11. I'm looking for a point & click application that will make my Windows 10 OS upgradable to Windows 11 or a file that will provide step-by-step instructions on how to accomplish the upgrade to Windows 11. I expect a list of files/applications that will not run in Windows 11 because my PC is not capable of running the new applications w/o hardware upgrades.