For more detailed instructions visit this guide: Install Fabric - Minecraft Launcher (Windows)
See Installing Fabric Loader and FAQ
Note: Minecraft 1.17 requires Java 16, Minecraft 1.18 requires Java 17. This is not included in most distributions. You can check your version with java -version
. You can get Java 17 from 3rd parties like Adoptium or Azul Zulu.
The new server installation uses a single jar file as a launcher. This launcher first downloads any missing Fabric Loader or Minecraft files, then continues with running the game server. There is no explicit installation and the desired versions as selected on the homepage are already baked into this jar file.
Executable Server (.jar)
button to generate and download the Fabric Server Launcher jar filejava -Xmx2G -jar <fabric server launcher jar file name> nogui
, the exact command is provided on the download website in step 1With Minecraft specific server hosts, admin panels or start scripts the Fabric Launcher jar file can be used as a drop-in replacement for a vanilla server jar. It can be invoked in the same way and behaves similarly.
Note: Minecraft 1.17 requires Java 16, Minecraft 1.18 requires Java 17. This is not included in most distributions. You can check your version with java -version
. You can get Java 17 from 3rd parties like Adoptium or Azul Zulu.
Note: Up-to-date as of Loader 0.4.4+. Older versions choose different techniques. Installer 0.4.0+ required!
fabric-server-launch.jar
will be created. It expects a server.jar
, which is the vanilla server JAR, generally found on Mojang's version announcement blog posts, next to it, but will also generate a properties file on first launch where you can change the path..fabric
folder if the installer did not remove that for you! Or you will get classloading errors.fabric-server-launcher.jar
, server.properties
, server.jar
and the libraries
folder with its contentsFor more detailed instructions visit:
The fabric installer has full support from installing the client and the server from the command line. This could be used to automate the installation. The installer has a number of commands that can be used for a headless install.
java -jar fabric-installer.jar help
java -jar fabric-installer.jar server
java -jar fabric-installer.jar client -dir "~/Games/.minecraft"