Prism Launcher Mod Loaders
Install or switch Fabric, NeoForge, Forge, Quilt, or LiteLoader on any Minecraft instance in two clicks without manual JAR installers.
Minecraft Beta 1.7.3 with Vanilla
Create a Prism instance for Minecraft Beta 1.7.3 on Vanilla. Use Java 8.
- Minecraft
- Beta 1.7.3
- Loader
- Vanilla
- Java
- Java 8
Beta 1.7.3 + Vanilla
Add Instance → Beta 1.7.3 → install Vanilla. Assign Java 8 under Settings → Java.
This pairing existed for that version. Older versions are not given NeoForge or Quilt pages.
Installer: /download.
Frequently asked questions
Which Java for Beta 1.7.3?
Java 8. Mismatch is a common exit code 1.
Get Prism Launcher
Windows, macOS & Linux
Free and open source. Sign in with the Microsoft account that owns Minecraft, then create your first instance.
