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From .minecraft Folder

Migrate from the vanilla launcher or other launchers by importing existing .minecraft folders. All your content comes with you!

Import StepWhat Happens
Folder SelectionBrowse and select .minecraft folder from anywhere on your system
Profile DetectionKable scans launcher_profiles.json and identifies all vanilla profiles
Version DetectionAnalyzes versions/ folder to identify installed Minecraft versions and mod loaders
Content DiscoveryScans mods/, resourcepacks/, shaderpacks/, and saves/ folders
Import PreviewShows what will be imported with size estimates and conflict warnings
Selective ImportChoose which content to import: mods, packs, shaders, worlds, or settings

Importing doesn't delete the original .minecraft folder. Your vanilla launcher profiles remain untouched and functional.