When you launch SpotiKeep Converter program, you'll see a pop-up window to ask for registration. For new users, you can hit the "Continue Trial" button to enjoy free version of Spotify Music Converter for 30 days. After that, you can purchase the license code to unlock the full version of Spotify Music Converter in a period.
If you've subscribe to SpotiKeep Converter, you can
STEP 1. Enter the email address you used to purchase the license code and license code into the blank sheet on the registration window.
STEP 2. Hit "Activate" to unlock the full version of SpotiKeep Converter.
STEP 3. Start convert Spotify songs.