This article is a guide on how to setup a Java Edition server on a PC. Read: How to start a Minecraft 1.16.5 Server (Windows 2021) Chart New Territories with the ultimate Minecraft Seed Generator!

exec java -Xmx1G -Xms1G -jar minecraft_server.jar Allocate as much memory as you’d like by changing ‘1G’ to the number of gigabytes you’d like to set aside (2G for 2GB, 4G for 4GB, and so on).