Calling them will more than likely cost you money. Instead use their support resources from their website. Or just google it. However QMcKay has provided you with steps to follow.
PS: I highly recommend you study up on it via Google or Microsoft’s resources pages it will help you in the long run with the ability to support your business.
PS2: You could opt for SQL 2014 local service when you install. This wont save any work you did in past but your not required to setup SQL Service it does it for you. Difference is if you plan to run multiple terminals you should probably learn how SQL Express works and use that.