Without TPM and Secure Boot: Windows 11 installation without hardware check

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The official hardware requirements of Windows 11 are exaggerated because this operating system also runs on older hardware without complaint, more precisely: on almost any computer that can also run Windows 7, 8 (.1) or 10. The setup program for Windows 11 still checks whether the PC meets the specified requirements – if not, it refuses to work. However, Microsoft has provided ways out of it itself: If certain registry keys are available, the setup program ignores some of the test results and, depending on the installation method, even tries to bring Windows 11 to very old hardware.

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Mind you: Microsoft taught it that the setup program respects these keys, so this is by no means some dubious hack. Setting the keys is not a technical challenge, but something else: You should be aware of the consequences that can have.

Most PCs today should meet the following requirements: 4 GB of RAM, 64 GB of disk space and a CPU with at least two cores and 1 GHz clock. Windows 11 isn’t fun on a PC that doesn’t even meet these requirements. The situation is different with the other requirements: A TPM 2.0 should be available and the PC should be capable of Secure Boot. The latter requires that Windows boots via UEFI and not via legacy BIOS. This specifically means the boot method and not the firmware.

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