Click More Options and scroll down until you see JVM Arguments.
Open the Minecraft Launcher and select the version you want to play (either Bedrock or Java).The original, default Minecraft launcher has changed over the years, but you can still allocate more RAM to what Minecraft uses.
Method One: Allocate RAM From The Default Launcher Now you can allocate all the RAM Minecraft needs to quench its thirst. If you have more than that, you’re golden. Minecraft calls for a minimum of 2 GB of RAM, although the recommended specs call for 4 GB.