LiteLoader (Legacy 1.7.10 – 1.12.2) in Prism Launcher
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Lightweight legacy client loader that Prism Launcher can stack on top of Minecraft Forge in the same 1.7.10 or 1.12.2 instance. Supports Minecraft 1.5.2 – 1.12.2.
Classic client-side minimaps, WorldEditCUI, and macro mods on 1.7.10 and 1.12.2
Installing LiteLoader (Legacy 1.7.10 – 1.12.2) in two clicks
Lightweight legacy client loader that Prism Launcher can stack on top of Minecraft Forge in the same 1.7.10 or 1.12.2 instance.
In Prism Launcher, you never need to download a separate loader installer JAR from a browser. Right-click your instance, select **Edit** → **Version**, and click **Install LiteLoader** on the right-hand sidebar.
Prism Launcher keeps every instance, account and mod list in one window.
Adding mods and dependencies
**Core requirement:** None (can chain alongside Forge). Open the **Mods** tab and click **Download mods** to grab dependencies from Modrinth or CurseForge.
**Best use cases:** Classic client-side minimaps, WorldEditCUI, and macro mods on 1.7.10 and 1.12.2.
**Get the launcher:** Download the Windows installer or portable build at /download.
Frequently asked questions
How do I update LiteLoader (Legacy 1.7.10 – 1.12.2) to a newer version in Prism Launcher?
Open Edit Instance → Version, select the loader row, and click **Change version** on the right sidebar to pick the latest build.
Why did my LiteLoader (Legacy 1.7.10 – 1.12.2) instance exit with code 1?
Check that your Java version matches your Minecraft version (Java 21 for 1.20.5+, Java 17 for 1.18–1.20.4, Java 8 for 1.16.5 and older) under Java Settings.
Practical Windows guide for "which java version for minecraft prism launcher": instance setup, Java configuration, and mod management in Prism Launcher.
Lightweight, modular mod loader that updates within hours of new Minecraft releases and powers the modern Sodium/Iris performance stack. Supports Minecraft 1.14 – 1.21.4+ (plus snapshots).
Get Prism Launcher
Windows, macOS & Linux
Free and open source. Sign in with the Microsoft account that owns Minecraft, then create your first instance.