Whats a network security key

[Heiner Theobald]

I am trying to connect my Toshiba L455 to the internet via Firefox but I dont know the network security key. My provider is Videotron

Can you helpme what to do ?
Tks

 

[dmroeder]

A network security key refers to a wireless network that is secured with a password. When configuring a wireless network, you can put a key (password) on the network so that anyone who tries to connect has to know that key.

Is this your network that you are connecting to? Or is it your neighbors?