Begin by downloading the Winix Smart application from either the Apple Store or Google Play Store.
Launch the application and select a new unit; choose C545 for continuing.
Hit OK > enter the password to the 2.4 GHz Wi-Fi router.
After that, press and hold the Wi-Fi button on your air purifier till you hear the beep sound.
Next, choose next on your phone for connecting the device.
Then, select the location and name of your air purifier in the network, and your machine is configured.