1. Open the Withings App.
2. Log in to your account, if you already have one, or create one.
3. Tap Devices.
4. Tap +.
5. Tap Blood Pressure Monitors.
6. Tap BPM.
7. Tap Install.
8. Press the button of the BPM.
   The LED of the BPM lights up blue and starts blinking.
9. Tap Next in the app.
10. Tap Install.
11. Tap Pair (iOS only).
12. Tap Next.
13. Tap Done.
14. Tap Start to take your first measurement.
15. Tap Done at the end of the measurement.
    If you want to take another measurement, tap on Try again.

Note: BPM comes calibrated from the factory and doesn't require further calibration.