Allocating RAM to your Minecraft instance can significantly improve the gameplay experience, giving you a smoother and lag-free experience. In this guide, we will be covering: how to allocate more RAM to your default Minecraft launcher, the CurseForge App, and the Modrinth App.
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You can download the CurseForge App or Modrinth App from the following links:
- https://www.curseforge.com/download/app
- https://modrinth.com/app
- https://www.curseforge.com/download/app
- https://modrinth.com/app
Default Minecraft Launcher
- Open your Minecraft launcher and go to the Installations -tab.

- Click the
...→ edit next to the installation you want to allocate more RAM to. This should be the main one you use to play Minecraft with.

- Click on MORE OPTIONS.

- From here, change the -Xmx2G flag number to whatever number you want to allocate to that installation. For reference, 2 is 2 GB of RAM.
The amount you can allocate depends on how much RAM your computer has. The recommended range for this is 4 - 8 GB.

Modrinth App
- Open up the Modrinth App and go to your instance’s settings.

- Go to the Java and memory tab, and check the Custom memory allocation box. From here, you can slide the slider to allocate as much memory as you have.

CurseForge App
- Open the CurseForge App, and go to your instance’s Profile Options under the three dots.

- From here check the Custom RAM Allocation option. After that, slide the slider to how much RAM you want to allocate to the instance.

- After you have allocated the desired amount of RAM, click Done.
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If you still require assistance, please get in touch with our support team by opening a ticket or by joining our community Discord server.