>Your CPU is old, does not work with Windows 11. Since release of Windows 11 I have run it and Previews on two device with unsupported CPU. Dell Precision 3510, i7-6820HQ (UEFI, GPT, TPM2.0, Secure Boot) Dell Precision T5810, Xeon E5-1620 (UEFI, GPT, TPM2.0, Secure Boot) Both of those devices meet all other requirements except CPU and those run Windows 11 23H2, Dev and Canary previews without any issues. Released Windows 11 has get all released updates. Only version updates (21H2 -> 22H2 ->23H2) must install manually. As MS support told you can install Windows 11 to devices with unsupported CPU if it meet all other requirements and it has at least TPM1.2. Ways to install Windows 11 - Microsoft Support Registry key mentioned in this support site is done automatic when this kind of device is linked to Insider Program.

Build 26020 is out to Canary Channel

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Pauli O 16,380 Reputation points Volunteer Moderator

2024-01-18T03:44:47+00:00
>Your CPU is old, does not work with Windows 11.

Since release of Windows 11 I have run it and Previews on two device with unsupported CPU.
- Dell Precision 3510, i7-6820HQ (UEFI, GPT, TPM2.0, Secure Boot)
- Dell Precision T5810, Xeon E5-1620 (UEFI, GPT, TPM2.0, Secure Boot)
Both of those devices meet all other requirements except CPU and those run Windows 11 23H2, Dev and Canary previews without any issues.

Released Windows 11 has get all released updates. Only version updates (21H2 -> 22H2 ->23H2) must install manually.

As MS support told you can install Windows 11 to devices with unsupported CPU if it meet all other requirements and it has at least TPM1.2.

Ways to install Windows 11 - Microsoft Support

Registry key mentioned in this support site is done automatic when this kind of device is linked to Insider Program.
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