[Dx4win] external data

[w3gt at comcast.net]

 hi phil here. i need help to get the f3 key to work
 with a new install of dx4win ver 8.4
 on a new computer.
 with the older ver. alli had to do was after entering 
 a qso into the log, and then hi lite it (in blue)
 and hit f3 and qrz would come up with the qth of
 the qso. so i must enter somthing in the preference
 that i am missing. thanks for any help. phil w3gt