This is what I did:
Went to the LINKSYS admin web page:
Type http://192.168.1.1 or https://192.168.1.1
Enter Username/password
Click WIRELESS then WIRELESS SECURITY
My settings showed:
WPA2 Personal
TKIP+AES
Write down the WPA Shared Key (you'll be entering this key, not the hexadecimal key)...