You need (1) a valid license file and (2) a list of all the checks that are made and (3) some way to override the output of each check. Furthermore, you want to ideally do this in a way that makes your cracked software actually deployable on random computers, so you don’t want to do any heavy kernel-mode hooking because people won’t be able to use your crack.

Oh and if you actually do distribute a crack that uses a stolen license file, they’ll ban the heck out of the hardware identified in the license (and probably any user/account/Steam IDs they manage to hoover up), which will no doubt be an annoyance to a cracker.