Since the software upgrade was purchased directly from SilhouetteAmerica.com, the license key has already been applied automatically to your account for you.

 

You can do the following to unlock your upgrade now:

  1. Open Silhouette Studio
  2. Go to the 'Help' menu
  3. Click on "Apply Upgrade Edition"
  4. Enter your Silhouette account with your email address and password
  5. Click on the 'Activate' button