
Then add the amount of RAM you would like to the JVM Arguments text box. Simply go ahead and edit a profile and where it says "Java Settings (Advanced)", tick all the check boxes. With the new launcher, it is allot easier to allocate RAM to your Minecraft. Remember: 1GB = 1024MB and 0.5GB = 512MB Old Launcher Introduced in 1.6

Obviously don't just copy my code, as you need to find out where A) Your javaw.exe is located and B) where your minecraft.exe Or if you have assigned Java in your system variables javaw -Xmx4096 -Xms2048 -jar "C:\users\user\Desktop\minecraft.exe" Here is an example of an actual run.bat: "C:\Program Files\java\bin\javaw.exe" -Xmx4096 -Xms2048 -jar "C:\users\user\Desktop\minecraft.exe" So basically, the xmx is your maximum RAM your allocating and your xms is the minimum ram it should use.

16GB when using Windows Home Premium and 8GB when using Home Premium and Starter.
