Logitech K480 Manual page 7

Click PC and Devices and select Bluetooth.
Select Logitech Keyboard K480 and follow the onscreen instructions to complete the pairing.
Note: When you make a new Bluetooth wireless connection, Windows may need to update some
resource files. These updates may still be in progress even after your computer tells you it has
connected to the keyboard. Wait until the status light next to the connect button is lit solidly for 5
seconds before attempting to use the keyboard with your computer. (It may take as long as 20
minutes for Windows to complete the updates.)
Mac OS X
On a computer running Mac OS X (10.9 or later):
Open System Preferences and click Keyboard.
Click Set Up Bluetooth Keyboard to start a search for nearby keyboards.
When the message "Found Logitech Keyboard K480" appears, click Continue.
Follow the onscreen instructions to complete the pairing.
Chrome OS