Night Wifi Router Setup app is a guide to setup different routers and extenders. User can go to routerlogin.net and follow the instructions there as well.
For extender login user can go to mywifiext net and routerlogin.net
Setup night hawk app with Netgear app

Few Guidelines to setup router or extender:
1. Make sure your device is plugged in
2. Connect Ethernet cable between router and modem.
3. Restart your modem as well
4. Connect an Ethernet cable to computer as well.
5. Now it's ready to set up.