Activision and Infinity Ward has now announced the PC minimum specs for both Call of Duty: Infinite Warfare and Call of Duty: Modern Warfare Remastered. They are not the same, so make sure to check out both to find out if your computer is sufficient enough. Also, remember that this is the bare minimum - so don't expect astonishing visuals if you just barely make it.
Call of Duty: Infinite Warfare
OS: Windows 7 64-Bit or later
Processor: Intel Core i3-3225 @ 3.30GHz or equivalent
Memory: 8 GB RAM
Graphics: AMD Radeon HD 7850 2GB / Nvidia GeForce GTX 660 2GB
DirectX: Version 11
Network: Broadband Internet connection
Storage: 70 GB available space
Sound Card: DirectX 11 Compatible
Call of Duty: Modern Warfare Remastered
OS: Windows 7 64-Bit / Windows 8 64-Bit / Windows 8.1 64-Bit / Windows 10 64-bit
Processor: Intel Core i3-530 @ 2.93 GHz / AMD Phenom II X4 810 @ 2.80 GHz
Memory: 6GB RAM
Graphics: ATI Radeon HD 7850 @ 1GB / Nvidia GeForce GTS 450 @ 1GB
DirectX: Version 11
Network: Broadband internet connection
Hard drive: 55GB available space at launch (more space will be required for updates, DLC, etc.)
Sound Card: DirectX-compatible