Windows 10
Use HP Smart to connect the printer to your wireless network.
Turn on the printer.
On your computer, download and install HP Smart (in English) from the Microsoft store.
On the printer control panel, press and hold the Cancel
and Wireless
buttons for three seconds, and then release the buttons.
Note: You must complete the network setup within two hours.
Power 
button blinks for about 10 seconds, and then Wireless button blinks continuously. It indicates that the setup mode is enabled on the printer.
On your computer, open HP Smart, and then click the Plus
sign.
HP Smart searches for printers on your wireless network.
Select your printer, and then click Continue.
When prompted, type the WEP or WPA key (network password).
After the printer connects to your wireless network, click
Wireless light on the control panel turns solid blue indicating that the printer has successfully connected to your wireless network.