How to allocate more RAM to Minecraft – ATLauncher

Step 1. Open ATLauncher

Step 2. Click Settings

Step 3. Click Java/Minecraft

Step 4. Adjust Maximum Memory/RAM, to your desired RAM amount

RAM is shown in Megabytes 1GB = 1024MB

Step 5. Click Save.

You have now allocated more RAM/Memory to Minecraft through ATLauncher!