@Jonathan Pedersen
Hi,
If you saw that your PC is not compatible with Windows 11, it may be because your system doesn't have two security settings turned on, Secure Boot and TPM 2.0.
More information please refer to the following article:
https://www.cnet.com/how-to/this-pc-cant-run-windows-11-how-to-fix-the-problem-with-tpm-and-secure-boot/
Note: This is a third-party link and we do not have any guarantees on this website. And Microsoft does not make any guarantees about the content.
Hope above information can help you.
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i did have the same problem and did find out what was wrong , did need to activate secure boot,set to legacy in the bios booting and format windows so the hd get gpt and all did work after it
Finally managed to get windows 11 after enabling Secure Boot and TPM 2.0. One additional step that I had to take was to convert the MBR partition to GPT.
The irony is that it says the system is not compatible but it's downloading Windows 11.