Double-click the new file. Minecraft will launch and automatically begin the import process. Manual Installation for Java Edition
In Minecraft , "mc.zip" typically refers to world, skin, or resource pack files that have been compressed into a standard ZIP archive but need to be converted to specific Minecraft file formats (like .mcworld or .mcpack ) to be automatically imported by the game. mc.zip
Rename filename.zip to filename.mcpack . Step-by-Step Conversion (Windows) Double-click the new file