Question: how to install a garage door opener liftmaster?
Answer: Step 1: Verify you have a Wi-Fi router, broadband access and a compatible opener.
Step 2: Plug in your Wi-Fi hub (the blue LED will blink)
Step 3: Press and release Button 1 on the hub (the yellow LED will turn on)
Step 4: Press and release the test button on the door sensor (hub will beep and light will blink)