Prism Launcher is an open-source Minecraft launcher, a fork of MultiMC, licensed under GPL-3. It allows users to manage multiple isolated game instances, each capable of running different versions of Minecraft, mod loaders, and mod sets. The latest version, 11.0.2, was released in June 2026 and includes features such as integrated browsing for CurseForge and Modrinth, automatic Java switching, and support for mod loaders like Fabric, Forge, NeoForge, and Quilt. It operates without ads and is cross-platform, compatible with Windows, macOS, and Linux.
Key features include:
- Multiple instances: Unlimited isolated instances of Minecraft.
- Integrated mod browsers: Direct installation from Modrinth and CurseForge.
- Automatic Java management: Switches Java versions as needed.
- Support for major mod loaders: Easy instance creation with Fabric, Forge, NeoForge, or Quilt.
- No ads: Self-contained experience without interruptions.
- Prerequisites: Requires a paid Minecraft: Java Edition license, specific operating systems, minimum RAM and disk space, and an internet connection.
Installation steps vary by operating system, with detailed instructions provided for Windows, macOS, and Linux. Users must log in with a Microsoft account linked to their Minecraft license and can create instances for vanilla gameplay or install modpacks from Modrinth or CurseForge. Memory allocation settings can be configured per instance for optimal performance.