How does one switch distros from linux?

I downloaded cachyOS on my laptop, its alright, but trying to install things feels complicated (like trying to install debian stuff, idk i tried to install XP pen tablet drivers and I had no idea how, since there wasnt a clear answer on how to).

anyway, im trying to replace cachyOS with mint, but i have no idea how, the USB doesnt show up in the boot manager, so im just lost