what is network security key wifi network?

Where do I find network security key for WIFI?

Your router usually has a sticker or label printed with default WPA2 and WPA keys. As you set up your router, it's a good idea to create a new password that is easy to remember. Alternatively, you can change your Wi-Fi password at any time by going into your account.

How do I setup a wireless network security key?

192.168 is the IP address you need. Type it into your web browser. You will find a Wireless tab. To change the settings, click the Change button. You must enter the Security Password of your newly acquired wireless key. Once you have made the changes, click on Save at the top of the page.