To use Unreal Engine, you must first install Epic Games Launcher:
- Access the website (https://www.unrealengine.com)
- Register and download Epic Games Launcher
- Install and start the launcher
- Click the Unreal Engine tab on the left-hand side
- Click on the Library tab that appears at the top of the screen
- Click the + button next to ENGINE VERSIONS to add a version of Unreal Engine to the launcher
- Click the Install button
- Click the Launch button to start an already installed version:
It is possible to keep multiple versions of Unreal Engine. This book uses version 4.20.3, but the examples were tested in version 4.22.0 and worked well. Blueprint is already a stable technology. The examples created in this book should work without problems in later versions.