Upgrade CPU on HP ENVY Phoenix Desktop - 810-370st to a new i9 compatible with Windows 11

[Tehuiti]

Can I upgrade the original cpu on my HP ENVY Phoenix Desktop - 810-370st to a new i9 that is compatible with Windows 11? If so, is there a particular i9 recommended. This link lists a number of them...

https://docs.microsoft.com/en-us/windows-hardware/design/minimum/supported/windows-11-supported-inte... 

[Prométhée]

hi

https://support.hp.com/us-en/product/hp-envy-phoenix-810-300-desktop-pc-series/7161705/model/7276717...

Check, but obviously no

Warning

Windows 11 on devices that don't meet minimum system requirements 
We risk having serious problems, probably updates, security problems, we do not really know what else

If the installation goes well for some, for others it can be complicated
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Hp also might not provide any update:

HP PCs – Support for Windows 11 | HP® Customer Supportbr>

Think carefully, before taking the risk, see the experiences of other users, see if it can be interesting, or if you can wait to have a new computer later, 100% compatible!
Windows 10 remains one of the best systems, and can be used for quite a while.

I have performed the installation with a compatible computer ..
And I can not take full advantage of the more or less interesting features, because you have to have a certain material
https://www.microsoft.com/en-us/windows/windows-11-specifications
So far, so there is nothing extraordinary about this system
So if the computer is not compatible, you have little interest in using it ..
In some cases, we can have more problem than something else (performance etc), it is better to wait until most of the bugs are solved.
And even better to have a 100% compatible computer, in order to be able to take advantage of the available features
Now, if you want to give it a try, first plan to use specialized software, and make a ghost copy of your installation.

It will certainly be necessary to force the installation
if you want @Paul_Tikkanen  could guide you