If you have Java 21 installed, a few items should populate the server's folder. Some Minecraft mods have custom jar files, so keep an eye out for that if using a modpack.

New to Minecraft? Here's all you need to know about the difference between Bedrock and Java, and how it affects you.

For those using Minecraft’s Java Edition, you’ll need to purchase a Realm from the Minecraft website. Keep in mind that Bedrock Edition players cannot play on the same servers as Java players.