If you're location is setup to support free-roam content, then you'll need to download and install the Arena in order to manage/launch this content. Click on the Download Main Arena Launcher Now button to begin downloading the installer.
The main launcher application isn't the only one that is needed to operate free-roam content. You'll also need to download and install the Arena Client application in order to connect your machines as being viable to connect and play the content. Click on the Download Client Arena Application Now button below to begin downloading the Arena Client application.
NOTE: This links are always updated with the latest version of the Arena Launcher/Arena Client application.
NOTE: If you are installing the Arena applications after having used Haze, there will be some migration steps to follow. See this article for more details on how to migrate from Haze to Arena.