If purchased from Amazon:
Go to your account page. Get to "Your Digital Items"
That page will list your downloads and will show the activation code.
A link to that page is found in "Help and Customer Service" under:
"Download and Install Your Digital Software or Video Game"
from "Digital Services and Device Support"
Click on "See More" and that will show the icon "Software and Games"
Click on Software and Game and follow the trail to "Your Digital Items"
A search for one or more of these terms on the Amazon Website may get you to that page easily.
