No problem, in three steps, you'll activate your existing Spotify account without losing your current settings and content.
Click below on 'Create my Spotify Premium account' and follow these three steps:
ATTENTION: If you have already a Spotify Premium account, don't forget to cancel this paying service on http://www.spotify.com
It's very easy to activate your Spotify account!
Click on "create your Spotify account now" and follow these three steps: