In case Microsoft's Windows 11 upgrade checker tells you that your PC isn't supported but it meets all the other requirements then you need to check your BIOS to enable TPM.Īlmost every modern CPU comes with TPM support. If your system is compatible, you’ll get a pop-up stating “This PC will run Windows 11'.Click on the blue coloured “Check Now” button on the Windows 11 banner.To run the health check you need to first download and install Microsoft's PC Health Check app.In case your system meets the above-mentioned criteria, you need to run a health check to keep your system ready to install Windows 11. (Image credit: Future) Windows 11 compatibility check