Where Does Prism Launcher Store Instances?
Prism Launcher keeps Minecraft instances and saves in an instances folder inside its data folder. Settings are stored in a config file next to that data.
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Each Prism Launcher instance is a self contained folder with its own mods and saves plus version files. All instances sit under a common instances folder so profiles stay isolated from each other.
Standard installs follow system data folders on Windows and Linux. Portable installs keep the same layout inside the program folder itself.
Where Prism Launcher stores this, by platform
C:\Users\<username>\AppData\Roaming\PrismLauncher\instances
<username> is your Windows account name. Each subfolder is one Minecraft instance. Config file prismlauncher.cfg sits in the PrismLauncher folder one level up. Portable installs use <program>\PrismLauncher\instances instead where <program> is the extracted program folder.
/home/<username>/.local/share/PrismLauncher/instances
<username> is your Linux login name. Each subfolder is one instance with mod files and saves inside. Main config is at /home/<username>/.config/PrismLauncher/prismlauncher.cfg unless portable mode is used.
Frequently asked questions
How do I move a Prism Launcher instance?
Copy the instance subfolder to the new instances folder or use Copy Instance in the UI. Keep folder names simple and restart Prism Launcher after a manual move.
Where are Prism Launcher settings stored?
Settings live in prismlauncher.cfg next to the data folder. On Linux the file is under config in the PrismLauncher folder. On Windows it is under Roaming in the PrismLauncher folder.
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