In the dropdown, search for and select release Melon-Client .
: Copy the extracted "Melon Client" folder into the versions directory. Create a New Installation : Open the Minecraft Launcher . Go to the Installations tab and click New Installation . File name- Melon-Client-1.8.9.zip
Melon Client often uses the Minecraft Launcher's "versions" folder method : In the dropdown, search for and select release Melon-Client
The JSON file is missing or misnamed. Fix: Ensure the folder inside versions has the exact same name as the .json file. Example: Melon-Client-1.8.9.json must be inside versions/Melon-Client-1.8.9/ . In the dropdown