Open the Fitbit app and tap Join Fitbit.Note that you need an account with the store before you can download apps. Windows 10 devices (phones, tablets, and computers)- Microsoft Store.Download and install the Fitbit app from one of the following locations:.To set up your Fitbit device with the Fitbit app: If you don’t have the Fitbit app, the notification takes you to the Google Play Store to download the app. Tap the notification and follow the on-screen instructions to set up your device. Note: If you’re setting up certain Fitbit devices with an Android phone, a notification appears on your phone to begin the setup process.
