To remove the Silhouette ModelMaker license key from your computer:

  1. Open Silhouette ModelMaker
  2. Select the Help menu
  3. Select the option to De-activate License Key 
  4. Enter the email address and password associated with your Silhouette account
  5. Click on Submit

Please note that the ModelMaker software does require an active license key in order to operate. Removing the license key will not remove the software program, but will simply revert it to a trial version on the computer in question.