How to change minecraft memory allocation
Sarah Oconnell
Published Mar 27, 2026

Click on the Java/Minecraft. It will open the settings related to Minecraft. Under these settings, change the “Maximum Memory/RAM” according to your needs and hit “Save”. It will allocate Minecraft with the memory of your choice to …
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Mehtod 2. Allocate More RAM in a Minecraft Server. This part will show you how to allocate more RAM to Minecraft server. Step 1. Check the RAM on your PC. Right click Windows Start menu and choose Settings. In the setting window, choose System. Locate to the About section and note down the number of Installed RAM under Device specifications. Step 2.
MethodTipsWarnings Check your computer’s available RAM. The amount of available RAM will dictate how much memory you can allocate to Minecraft. To check RAM: Windows – Open Start, click the Settings gear, click System, click About, and look at the number next to “Installed RAM”. Mac – Open the Apple menu, click About This Mac, and look at the number to the right of the “Memory” headi…Update your Java program . Go to Java’s website at and …
You can allocate more ram to Minecraft server as it needs to satisfy its requirements. Method 1: Use the Default Launcher to Allocate More RAM to Minecraft server Although originally it was not possible, the default Minecraft launcher has evolved over time and now you may increase the amount of RAM available to Minecraft.
Scroll your mouse over the “Minecraft” version that you want to allocate RAM to, then click the three dots on the right and select “Edit.” © Emma Witman/Insider You’ll have to reallocate RAM to …
Replace the value in megabytes of 4096 on both arguments with the available RAM of your machine. For example, you could replace them with 8192M which means 8 GB of RAM allocated on startup to the Minecraft server. A full example with 8GB : java -Xmx8192M -Xms8192M -jar minecraft_server.jar nogui Enjoy!
Change the number in Xmx[number]G to the RAM you’d like to allocate. For example, if you have Xmx4G it means that you have 4 GB of RAM allocated to the game. Change it to Xmx8G if you’d like …
java -Xmx[RAM in MB]M -Xms[RAM in MB]M -jar [your server file name].jar. 1GB RAM Example: java -Xmx1024M -Xms1024M -jar [your server file name].jar. 2GB RAM Example: java -Xmx2048M -Xms2048M -jar [your server file name].jar. You’ll notice all that’s changed is that we’ve added a few things in the middle of the original command.
Launch the ATLauncher and click on the Settings tab (on the right-side menu pane).Click on the Java/Minecraft tab on the top navigation bar. …. Select the Maximum Memory/RAM drop-down selection and adjust it to your …
Related Questions
What determines how much memory I can allocate to Minecraft?
The amount of available RAM will dictate how much memory you can allocate to Minecraft. To check RAM: Windows – Open Start, click the Settings gear, click System, click About, and look at the number next to “Installed RAM”.
How do I allocate more RAM to Minecraft Java?
If you have the Java version of Minecraft, check out the steps below to allocate RAM via the Minecraft Launcher: Launch the Minecraft Launcher. Go to the “Installations” tab for the game. Find the “Latest release” option or create a new custom installation.
How do I allocate more RAM to a game?
You’re looking for the part of the code that says “ Xmx [number]G ”. This is the amount of RAM allocated. Change the number in Xmx [number]G to the RAM you’d like to allocate. For example, if you have Xmx4G it means that you have 4 GB of RAM allocated to the game.
How to increase Minecraft server memory on Windows 10?
Step 1. Check the RAM on your PC Right click Windows Start menu and choose Settings. In the setting window, choose System. Locate to the About section and note down the number of Installed RAM under Device specifications. Step 2. Open Minecraft server directory