trying to dualboot arch for a friend on the same drive.

[rugged bloom]

stuck on 38420 on shrink in partition manager, genuinely dont know what to do, genuinely i know this seems more of a windows problem than arch buuuutt

[tall wagon]

It's basically asking you how much space you want to leave for linux

be very careful with this stuff as doing something wrong will trash windows and all your data

Note that scary warning