How to activate your app with a License Key on Mac

Follow these steps if you need to activate your MP3Studio YouTube Downloader:

1. Step 1.

   Click on the Buy or Settings button as it’s shown on the screenshot

2. Step 2.

   If you clicked on Settings button then choose Buy as it’s shown on the screenshot

3. Step 3.

   After clicking on the Buy button enter your license key and click on Submit