Is my Motherboard and processor upgradeable?

[Windows Server]

I have an HP EliteDesk 800 G3 TWR with the following Baseboard Manufacture HP, Product 8298, Baseboard version KBC Version 06.29. It has an Intel Core I5-7600 CPU @ 3.5 GHz. Is it possible to upgrade the motherboard and processor to upgrade to Windows 11? If it's possible how do I find out which motherboard to purchase? I'm currently running Windows 10.

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