Steps to Set Up a Free Minecraft (Java) Server on PC. ... Download the file minecraft_server.1.21.5.jar (depending on when you read this tutorial, the version may have changed) ...

Once you have done that, it is time to install the Minecraft: Java Edition Server. To do that, follow these steps: Update your Raspberry Pi (should be the latest version if it's a fresh install).

Be careful in caves--there are many monsters. Minecraft Java edition does not have a friends list, so you can only join the same server as your friend or invite them to a Realm using their gamertag.