Installing the HP Smart app on your device is the first step in utilizing HP Smart 123 to install your HP printer. To add your printer, open the app and follow the instructions. Make that your printer is linked to the same wireless network as your device and that it is turned on. The printer will be immediately detected by HP Smart. To finish the setup, go to the on-screen directions, making sure to sign in or create an HP account for further features. For more information about hp smart 123, please visit our website.