(Key is under Library->Grand Theft Auto IV->Right side->CD-Key) Start GTA IV and a weird-looking, Windows-Vista-like program will appear at the top of your screen, telling you to log into your Windows Marketplace account. Also, copy the GTA IV-Key before starting the game, so you can paste it into Windows Marketplace afterwards. If Rockstar Games releases official patch notes, we will update this article accordingly.For this step, it is important to remember the account details which you used during step two to sign into the XBOX app. In the case of GTA IV, it does not seem that there is any intention to patch the game online, so this update remains somewhat of a mystery. There was a major exploit that could compromise the user’s privacy if they played the games online. However, similar patches have been deployed for Red Dead Redemption 2 and GTA V, which were confirmed to address security issues faced by these titles on PC. The modification of the Rockstar Games Launcher and Social Club Setup files also suggests updates have been made to these components, with the Rockstar Games Launcher file increasing by 7.16 MB and the Social Club Setup file increasing by 1.17 MB.Īt present, there are no official patch notes available for this update. Moreover, the manifest IDs for the game and the installers have changed, indicating significant updates to the overall structure of the game and its components.

Some of the files have increased in size, while others have decreased. The changes to the GTAIV/GTAIV.exe, GTAIV/MTLX.dll, GTAIV/PlayGTAIV.exe, GTAIV/gtaEncoder.exe, and GTAIV/installscript.vdf files suggest that updates have been made to these components of the game.

These changes refer to modifications made to the Grand Theft Auto IV game and its installers.

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