Run the Stellaris launcher Go to the "All Installed Mods" Click "Upload Mod" Click "Create Mod" Fill out the fields with whatever you want and click "Create Mod" to save your mod locally (Optionally) ...
Download the latest release here, and if you don't have it already get Python installed, I recommend Python 3.11. Then Simply run the Start.bat / Start.sh, and it will create a Virtual Enviroment, and ...