To begin, unplug your base station and download the Fitbit software by going to www.fitbit.com/start. Once you have installed the software, you will be taken to the "Account Setup" screen. Or, you can right click on the "Fitbit Service Manager" icon in the tray application and choose "Account Setup" (Windows) or double click on the Fitbit application in the Applications folder (Mac).
In the "Account Setup" process, the first screen is used to either create your new account or sign up as an existing member. The next screen will let you enter your personal information on your account. This information will help the Tracker's accuracy when calculating the distance traveled and calories burned. After that, you will be informed that it is time to plug in the base station. Place your Tracker on the base station, wait for the battery icon to disappear, and press and release the button on the Tracker. The Tracker will show a series of numbers for you to type in. This makes sure that the Tracker you are looking at is the Tracker that the software is communicating with.