Unlock Requestcode: This code will be displayed during installation of the game, or by running the game again after installation is complete, when no Internet connection is detected and you choose to 'Activate manually' (example shown below):.

GTA IV PC Product Code (serial number): This code can be found on the back of your game manual, or in a billing e-mail if you bought the game online, and will be in the following format:.

To generate an 'Unlock Code', you will need to collect the following information first:

Take your 'Unlock Code' back to the computer where the game was installed and continue with 'activation' of the game.

Generate an 'Unlock Code' on another PC with Internet access and no firewall restrictions.

Collect your 'Product Code' (serial number) from back of your game manual and 'Unlock Requestcode' displayed during installation.

Manually activating your game, using a different computer with Internet access, is a three-step process.

This process will be explained in greater detail below. If you can access the Internet externally (friend's house, Internet café, etc.), or via another PC in the same location that may have different firewall restrictions, you can perform steps needed to complete a 'manual activation' of the game. Your firewall may be prohibiting this computer from contacting our servers please make sure Port 443 is enabled on your personal or network firewall.You DO NOT have an active Internet connection on the computer where the game is being installed.

Known conditions that may necessitate a 'Manual Activation' of the game: In cases where an 'Online Activation' cannot be performed, one or more conditions may be prohibiting this (see below), and 'Manual Activation' will need to be performed. 'Activation' is a mandatory process for all installations of GTA IV PC, regardless of format. Welcome to the Manual 'Product Activation' guide for GTA IV PCĭuring typical installations of GTA IV PC, users that have an active Internet connection will be prompted to perform an 'Online Activation' of the game. Click HERE to return to Main 'GTA IV Activation' Site

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