Exactly the same for the office pack
AFAIK they'll send a download link and serial number to the email address.
You can do it as a blind, give her the money in a card with an explaination of what it's for, then tell her "of course that wouldn't be much help without something to run it on" and give her the laptop
Or include it in a card with an explaination and put it inside the laptop so when she opens it she'll see it.
That's one lucky girl to get such a present.
you must care for her very much.