Note: Requires a physical display to run, will NOT run on codespaces, ANY online terminal without a graphical display, or ANY ssh without X11 forwarding (Pretty much self explanitory but for the people who didn't know)
^^^
If you STILL don't understand, it basically means you have to run it on YOUR personal computer. You most likely will not be able to use it in a browser VM without a graphical interface or over SSH
Clone this GitHub repo (Either using git or manual download)
cd into the directory of this repo
Run gradlew runclient
and wait for it to finish compiling