SideQuest will handle the installation automatically.
Playing QuestCraft on Cracked Versions: What You Need to Know questcraft cracked link
If you are looking for a cracked experience because you don't have an internet connection, some versions of the underlying PojavLauncher support offline play, but this is notoriously unstable on Quest hardware and often results in crashes or "Black Screen" errors. Conclusion SideQuest will handle the installation automatically