what would be more expensive?

do you think getting a windows 11 hp laptop's fan (which is completely busted and actually physically burns you to the touch and screams at you) replaced would be cheaper than upgrading a windows 10 hp laptop's hardrive storage upgraded?

i don't know which to do and i'm very tight on money at the moment. the windows 10 is currently 118GB of storage which isn't enough for all my games and mods ect because the system files alone take up like 90gb of that (IS THAT NORMAL THAT SEEMS LIKE A LOT) and id probably want to upgrade it to like 300-500 ish whereas the windows 11's fan is like completely cooked (i mean that literally) and i know the taking apart and replacement would be atleast £80 in my area.

i can provide a video of the noise the HP 10 makes if you want (it makes a fair few but i have some videos of the loudest and deadliest) if you're wondering the scale of the bust. i mean i'm 100% half the time the fan isn't even on which is why it gets so hot and when it is it's getting ready for liftoff.