Could be worse. They actually gave us plenty of info. 8 core first gen Ryzen is very specific. Windows 11 probably doesn't like it because no TPM (most likely the motherboard has a port for one, but parts may not be available). There's a small list of processors that could be: Ryzen 1700, Ryzen 1800, with or without X/Pro, or maybe a Threadripper 1900X.
Much better than "I've got an i7 why is this slow" "I don't know, it works great on my Pentium", where the first person has an i7-620UE, a 2.13 Ghz 2 core Arrandale (Westmere?) from 2010, and the second person has a Pentium Gold G7400, a 3.7Ghz 2 core Alder Lake from 2022. Turns out 12 years of improvements and moving from mobile to desktop makes a huge difference. Of course, someone with a pentium could also have a processor from 1993-2022, so that's a much worse name without qualifiers.
Much better than "I've got an i7 why is this slow" "I don't know, it works great on my Pentium", where the first person has an i7-620UE, a 2.13 Ghz 2 core Arrandale (Westmere?) from 2010, and the second person has a Pentium Gold G7400, a 3.7Ghz 2 core Alder Lake from 2022. Turns out 12 years of improvements and moving from mobile to desktop makes a huge difference. Of course, someone with a pentium could also have a processor from 1993-2022, so that's a much worse name without qualifiers.