Here are the minimum system requirements for running Call of Duty: Ghosts:
PC
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
Memory: 6 GB RAM
Hard Disk Space: 40 GB
Video: NVIDIA® GeForce® GTS 450 / ATI® Radeon™ HD 5870 or better
Sound: DirectX compatible sound card
DirectX®: DirectX® 11
Internet: Broadband Internet connection for Steam and Online Multiplayer
Xbox 360Storage: Xbox 360 Hard Drive or minimum USB 2.0 Flash Drive (formatted for Xbox) with 3 GB of free space
HD Video Output: 720p/1080i/1080p
PlayStation 3Storage: 25 MB of free space
HD Video Output: 720p/1080i/1080p
Xbox OneStorage: 40 GB of free space
HD Video Output: 1080p
PlayStation 4Storage: 49 GB of free space
HD Video Output: 1080p
If your system meets the minimum requirements described above and you are still having issues playing the game, it is strongly recommended that you are not using any third-party software that claims to improve your connection or overall gameplay. Use of third-party software can be grounds for a ban from Call of Duty: Ghosts.