Open the Google Authenticator app on your phone. Tap the plus sign ( + ) to add a new account. You will have two options:
The primary benefit of the security key is enhanced security, but it also comes with excellent in-game rewards that make it highly worthwhile for any player. swtor security key app work
Even if the setup is a hassle, adding a Security Key to your SWTOR account is because of the rewards: Open the Google Authenticator app on your phone