Everyone should. It’s wasted energy, bad for components and outright lazy in some cases.

Hold shift when you click restart in windows, you can access the firmware through windows recovery.

Use EndeavourOS if you want easy Arch, Manjaro is kinda bad.

But really if you want an easy system, go with Mint or Fedora. Arch isn’t designed for ease nor first-timers.

So then how come Nova Custom do modern intel CPUs?

From the looks of it Coreboot just doesn’t support AMD.

If you’ve only ever used Windows, Linux is like using a computer for the first time.

Why not use a seperate /home partition if that’s something you value?