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1 & 2. Build your App
Build your app files to let Game Launcher work with it.
This tutorial assumes you correctly installed the Game Launcher in your server.
Creating app patch
The content in the App folder is exactly what the users will download.
All files are required to compare the previous files vs the new ones.
Remember to check the App/Product name in Unity Player Settings.
It must be the same as your MAINAPP_EXECUTABLE in your Launcher

- Build your App in the Release or Beta App workspace folder from the Patch Manager
What is Release or Beta?
Release: The environment for end-users
Beta: The public beta environment for developers, using for testing (You need to enable it in GameLauncher.xaml.cs set DisableBetaEnvironment = false)
Patch Manager App folder location
...\Patch Manager\App Workspace\App\Release

Patch Manager Release/App Folder from App Workspace

Build your app
That's all!
Next step: