Someone please help!!

[X21ekx]

Right! I own a garmin Zumo 660 NON LM so i bought a Numaps lifetime europe map update
i have a license key LX.......
but have i a bloody clue how to do it?? nope! I've sat here for nearly 2hrs i downloaded Garmin express but beyond that I'm helpless is anyone able to help??
cheers in advice

 

[Wapping]

Here you go.....

https://www.youtube.com/watch?v=EhW5hHb_uH4

If that doesn't do it.....Google 'Garmin lifetime map updates' or something like that.