I trust this is the home version of the software? They don't normally have a key to my knowledge. I see you are in a country that doesn't have a local office so your best approach would be to use Customer Service Online Chat - pick a country near you in the choice given, but any will do.
Click Customer Service under Useful Links at the top of this page.
They deal will all account matters. Use Chat or phone options as email takes a long time.