If only Launcher would work under Wine/Proton...The version from the launcher can be started with
\Carnal_Instinct_UE5\Binaries\Win64\Carnal_Instinct_UE5-Win64-Shipping.exe -patreonID=11111 -checksum=hFUfosJ%X6eM*^m3 -PatreonName=Zack_Cain
Then you dont need a crack, just copy it from their downloader