My machine is X220 which is not compatible to upgrade to Windows 11, since I cannot leave the Insider Dev Channel without reinstall the machine without data loss….So, I decided to force my machine to upgrade to Windows 11 GA to keep my data and also installed program.
Since my machine did not have TPM, I need to upgrade Windows 11 without TPM
- Go to "HKEY_LOCAL_MACHINE\SYSTEM\Setup\MoSetup" and press Enter. Add a DWORD value, name it "AllowUpgradesWithUnsupportedTPMOrCPU," and set it to 1.
- Go to HKEY_LOCAL_MACHINE > SYSTEM > Setup and create the key LabConfig.
Add a DOWRD value called "BypassTPMCheck" and set it to 1. Then add another one called "BypassCPUCheck" and set that to 1 as well.
Then create a ISO with the Media Creation Tool, extract all file into a folder.
Then delete the appraiserres.dll and also mount a Windows 10 ISO to copy the aappraiserres.dll into the Windows 11 installation source folder
launch setup, and perform an in-place upgrade on your system.
After the upgrade completed, you will receive a message you cannot enter the Windows insider program on this machine for Windows 11.
And my machine running on the Windows 11
Reference:
PC on Dev channel not compatible with Win11 - Microsoft Tech Community
Unable to participate in Windows 11 dev channel - Microsoft Community
How to Bypass Windows 11's TPM, CPU and RAM Requirements | Tom's Hardware (tomshardware.com)
How to bypass the Windows 11 TPM 2.0 requirement (bleepingcomputer.com)
Install Windows 11 without TPM Registry Hack - Virtualization Howto
Here's how to bypass Windows 11's TPM and CPU requirements | TechSpot
3 Ways to Upgrade Windows 10 to Windows 11 without TPM 2.0 (isumsoft.com)
How To Remove or Replace appraiserres.dll in Windows 11 Setup (nerdschalk.com)
Win11 ISO鏡像流出：教你繞過TPM 2.0限制安裝運行 | XFastest News
老電腦安裝 Windows 11，跳過系統需求檢查完美無損安裝！ | jkgtw's blog
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