On October 20, anyone who digitally preordered or prepurchased Call of Duty: Modern Warfare II gets Early Access to the game's Campaign*, up to one week before the game's official launch on October 28.

Running Call of Duty 4 without a graphics card can be challenging, as the game typically requires a dedicated graphics card to run smoothly. However, you may be able to run it using integrated graphics if your computer has a strong enough processor with integrated graphics capabilities.

The minimum system requirements for Call of Duty Advanced Warfare include an Intel Core i3-530 2.93GHz processor and 6GB of RAM. The i3 6006u 2.00GHz processor and 4GB of RAM in your system fall short of these requirements. It is unlikely that you will be able to run the game smoothly with your current setup.