How to start playing a game using this library - ArsonAssassin/Archipelago.Core GitHub Wiki

Download the latest APWorld and Client from the releases page.
Double click on the APWorld to install it to your Archipelago installation
Run the Archipelago Launcher and click "Generate Template Options".
A file explorer window will open with some .yaml files. Find the relevant yaml for your game and copy it to your Archipelago/Players directory.
Optional: edit the yaml setting to your preference
Either run Generate.py or press the Generate button on the launcher to generate a seed.
When this has completed, you will have a zip file in your Archipelago/Output folder.
Host this zip either using the Host option on the launcher or by uploading it to Archipelago.gg
Run the game.
With both the Archipelago server and game running, Open the client folder you unzipped earlier and run the included .exe.
Fill in your host, slot and password (if required) and press Connect.
You should now be ready to start a new game and play.