: Always run the game and the activation tool as an Administrator in Windows to ensure the registry entries can be written.

In the original retail experience, you would visit a Ubisoft website to exchange your Hardware ID and Serial Key for an Activation Code. Today, players typically use the following methods:

: The tool will provide a long string of characters. This is your "Response Code" or "Activation Code." Step 3: Entering the Offline Data Return to the game's activation window:

exactly as it appears; you will need it to generate your offline response code. Step 2: Generating the Activation Code