There is another way that you can setup your new netgear extender, without using the mywifiext.net if you don't wanna use it. But it has the same result. You can go for the default IP address for your NETGEAR Extender which is the 192.168.1.250. It will take you to the same page, where you can setup your extender easily.
If you are looking for an easy way to setup your NETGEAR Extender, but you don't know how to do it. Then first, step should be reading the manual book that came with your NETGEAR Product. Then you will able to setup this extender all by yourself with ease. There are to methods, actually, to get the NETGEAR Extender Setup wizard. The first one, is easy and quick, which is the WPS push button method. All it needs you to press the button on both extender and main router and give it some time to connect, you can read the whole content in your manual book. The second method is bit tricky but easy if you try it according to manuals. The other method is to use the www mywifiext net. To use this method, connect your device with the NETGEAR Extender's network. For that you can either use the wired connection method or the Wi-Fi connection method. Once your device is connected, open up your browser and type the webpage url for your netgear extender.
