RAM‐Allocation‐Guide

RAM Allocation Guide for Minecraft

This guide provides step-by-step instructions on how to allocate more RAM to Minecraft across different launchers to prevent crashes, low frame rates, and stuttering.

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1. CurseForge App

1. Open the CurseForge application.
2. Navigate to your Minecraft modpack.
3. Click the three dots menu next to the "Play" button (or right-click the modpack profile) and select Profile Options.
4. Uncheck the Use System Memory Settings box.
5. Drag the allocation slider to 8192 MB (8 GB) or your desired recommended value.
6. Click Done to save changes and launch the game.

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2. Prism Launcher / MultiMC

1. Open the launcher and select your modpack instance.
2. Click Edit Instance on the right-hand panel (or right-click the instance and select Edit Instance).
3. Navigate to the Settings tab.
4. Check the box for Java arguments / Memory.
5. Set the Maximum memory allocation field to 8192 MiB (or 8 GB).
6. Click Close to save your configuration and start the game.

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3. Official Minecraft Launcher

1. Open the official Minecraft Launcher.
2. Click on the Installations tab at the top.
3. Locate your Forge 1.12.2 profile, click the three dots ..., and select Edit.
4. Click More Options at the bottom of the page.
5. In the JVM Arguments text field, locate the initial memory argument (for example, -Xmx2G or -Xmx4G).
6. Replace that argument with:

   -Xmx8G