Assigning more RAM to a dedicated Prism Launcher instance helps preserve performance during modded gameplay. While Minecraft needs minimal memory, visual enhancements, content additions, and high-resolution textures raise system requirements. Raising the memory cap in the launcher configurations enables the game to process complex assets and maintain consistent frame rates.

Step 1. Launch Prism Launcher.

Step 2. Choose Settings.

Step 3. Go to the Java tab.

Step 4. On the Memory table, change the Memory Usage and hit OK.

How To Allocate More RAM in the Prism Launcher (Modpack Instance)

Step 1. Launch Prism Launcher.

Step 2. Choose the modpack and click Edit.

Step 3. Go to the Settings tab.

Step 4. Select the Java tab.

Step 5. Check the Memory box.

Step 6. Change the Memory Usage.