1. download and run server and copy mappings url
- open your minecraft folder
- find and open your versions .json with vscode for formatting
- format (shift + alt + f)
- find download key in json and download the server.jar
- copy server_mappings url
- now execute the server.jar one time to download the real server jar
- there is now a versions folder open and copy the server-{mc version}.jar to your root folder and delete every other server files