How to do it...

1. Visit unrealengine.com in your web browser of choice:

1. On the top-right corner of the screen, click on the Download button. You'll then be asked to create an Epic Games account. If you already have one, you can scroll down to the bottom of the screen and click the Sign in option. 
2. Run the installer for the Epic Games Launcher program by double-clicking the EpicGamesLauncherInstaller-x.x.x-xxx.msi installer. Install it in the default location.
3. Once the Epic Games Launcher program is installed, open it by double-clicking its icon, which can be found on your desktop or in the Start menu:

1. You'll need to sign in with the same login information you created or used earlier, and then you'll arrive at the main page of the launcher:

1. There are a lot of available options, but we want to click on the Unreal Engine option on the top-left of the screen.
2. Browse the start page and take a look around. Eventually, you will need to install an engine. Click on the large orange Install Engine button on the screen, as shown in the following screenshot:

1. A pop-up dialog will ask you to agree to an End Licence Agreement. Afterwards, you'll be asked to choose an install location. Then, click the Install button: 

The launcher will start downloading the engine. It is about 7 GB, so it may take a while. Once finished, your screen should look something like this:

After the engine has installed, the Install Engine button will change to a Launch Engine button.