It has come to our attention, that some users are mistakenly trying to activate Splinter Cell Blacklist with the wrong code. When you are first prompted for a key, you will be asked for the Splinter Cell Blacklist Install key, this is the key which is printed on the leaflet like the one below:
Activation key leaflet
If you have The 5th Freedom Silver Edition, Ultimatum Edition or Upper Echelon Edition, then you should also have a leaflet like the one below. This will allow you to unlock your additional content in the game. For details on how to do this, check this article.
ULC key leaflet