Switching 1050 ti to a 6600 xt

Hi I have a succesfully booting and working high sierra on a

3600xt ryzen

Asus x470-i mobo

Asus 1050 ti

I want to switch the gpu to a 6600xt, what do I have to modify in my boot files for it to work? Also how would I upgrade from high sierra to monterey? Should I clean install?

submitted by /u/GoodBatteryCell
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