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HP Z840 Workstation

I long ago resolved the TPM incompatibility for the Windows 11 hardware checker. But it seems that there is no CPU support for any Xeon E5-26xx processors for Windows 11, and the Z840 doesn't seem to accept any CPU chip other than the Xeon E5-26xx CPUs. Does this mean that the Z840 can never use Windows 11? This is very confusing to me. I am very happy with my Z840 (with two  E5-2690 v4 CPUs and 128 GB of RAM). End-of-Support is scheduled for October, 2025. Why is Microsoft refusing to support perfectly good Xeon processors while it continues to support ancient Pentium processors? Is there any solution anywhere on the horizon? Or, must I junk this perfectly good computer when there is no longer any security support from Microsoft?

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