If .jar files are opening as ZIP folders, use a tool like Jarfix to restore the correct file association. B. Command Line Interface (CLI) Mode
Ensure your Java version matches the software requirements (e.g., Minecraft 1.21 requires Java 21 ). 2. How to Run the Installer Installer.jar
There are two primary ways to launch an installer JAR depending on your operating system and needs: This is the standard method for most desktop users. -console : Used by enterprise software like JBoss
Before you can run an Installer.jar , you must have the or Java Development Kit (JDK) installed on your machine. Minecraft 1.21 requires Java 21 ).
-console : Used by enterprise software like JBoss EAP to run a text-based installer in the terminal. 3. Common Use Cases Chapter 3. JBoss EAP installer - Red Hat Documentation
--installServer : Used by Minecraft Forge/Fabric to set up server files.