Just received your first Garmin Device? Follow the instructions provided at the link below to setup your device.
Step One: setup and link your device with Garmin; click the link below to follow Garmin's directions for this process.
Garmin Connect: Getting Started
If you are replacing your existing Garmin device (already linked with Motion Connected) with a new one, you can simply add it to your existing Garmin and no other changes need to be made in your Garmin or Motion Connected account.