In order for you to play Call of Duty: Ghosts on Windows with minimal graphics settings, your computer must meet the following requirements
OS: Windows 7 64-Bit / Windows 8 64-Bit
CPU: Intel® Core™ 2 Duo E8200 2.66 GHZ / AMD Phenom™ X3 8750 2.4 GHZ or better
RAM: 6 GB RAM
HDD: 40 GB HD space
Video: NVIDIA® GeForce™ GTS 450 / ATI® Radeon™ HD 5870 or better
Sound: DirectX® compatible sound card
DirectX®: DirectX® 11
Internet: Broadband connection and service required for Multiplayer Connectivity. Internet connection required for activation.
In order to play Call of Duty: Ghosts on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
OS: Windows 7 64-Bit / Windows 8 64-Bit
CPU: Intel® Core™ i5 – 680 @ 3.6GHz
RAM: 8 GB RAM
HDD: 40 GB HD space
Video: NVIDIA® GeForce™ GTX 760 @ 4GB
Sound: DirectX® compatible sound card
DirectX®: DirectX® 11
Internet: Broadband connection and service required for Multiplayer Connectivity. Internet connection required for activation.