Start by downloading the Winix Smart app from either Google Play or the Apple store.
Open the app and choose a new unit, select C545 to continue.
Press OK and enter the password to your 2.4Ghz WIFI router.
Press and hold the WIFI button on the air purifier till you hear a beep.
Select next on the smartphone to connect the unit.
Choose the name and location of the air purifier in your network, and the device is configured.