PrismLauncher Install Guide

For Modpacks and General Use

• These instructions apply to my Vanilla Modpack. But also apply to other PrismLauncher Based modpacks
  • If you came here for Vanillia, [Download Here]

Basic Setup

1: Install PrismLauncher

1. Download PrismLauncher from here.
2. On first launch, select the highest Java version available.
3. Set up your Minecraft account:
   • Click "Manage Accounts."
     
   • Click "Add Microsoft" and follow the instructions.
     

2: Download and Import a Modpack

PrismLauncher supports modpacks in formats like Technic (.zip), CurseForge (.zip), Modrinth (.mrpack or .zip), and MultiMC (.zip).

For Git repositories, ensure an instance.cfg file is in the root, then download the repo as a zip.

1. Drag and drop the modpack file onto PrismLauncher.
   
2. Or click "Add Instance" > "Import from zip."
   

3: Set the Java Version

Prismlauncher simplifies Java management:

1. Right-click the imported instance and select "Edit."
   

2. Go to "Settings" > "Java" tab.
   

3. Check "Java Installation" and click "Download Java."
   

4. Choose the latest version based on your Minecraft version:

   • 1.16.x and below: Use Java 8.
   • 1.17.x to 1.20.x: Use Java 17.
   • 1.21.x and above: Use Java 21.
     Note: Java 17 can run versions 1.13.x–1.20.x.

   Breakdown:

   • Distributors:
     • Mojang: Stable but may have performance issues.
     • Adoptium: Open source, generally more performant.
     • Azul Zulu: Focused on stability and consistency.
   • Major Versions: Commonly referred to as "Java 8," "Java 17," etc.
   • Minor Versions: Updates within a major version.
     

Optional: Add the following launch argument for smoother garbage collection (recommended for Vivecraft users):

-XX:+UseZGC

4: Launch the Game

With the modpack imported and Java set, click "Launch."