UPlay game prompts for CD-key on starting

If you're Uplay game prompts for a CD-Key when you start it...

First, ensure that you are starting the game from the Uplay Launcher Client and not trying to run the game program directly via, for example, a shortcut.

Then, you can find it within the Uplay client as follows:

1. Select the Uplay client.
2. Click your Account name (upper right corner) and select "Account Information":
   
3. Click "My Games" in the left hand column:
   
4. Find the game you're trying to play in your list of games and click the associated "Show Key" link:
   
5. Click the "Copy" link to copy the key to your clipboard (if you're playing the game on this PC) write down the key.
6. Paste/Type the key into the dialog displayed when you start to play the game.