once i installed spotify i decided to use my facebook account to log into the world of music. However, I'm fed up with facebook and thus deacitvated my fb-account. Unfortunately, spotify took notice of this. The program won't let me log in anymore. Does anyone know how i could change my log-in data or create a spotify account without a facebook connection? Can i do that or do i have to ask the support for help?
You can't change from Facebook login to Spotify account login. You have to make a new account to do so.
There is one important issue: You have a premium subscription on the Facebook account. Activate FB, log into spotify website (you probably did this already because you've posted here) and then cancel your subscription.
Then, make your new Spotify account. You can do that on the sign up page, just click "create an account using your email address".