Here are the Call of Duty Modern Warfare Remastered minimum specs.
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: NVIDIA GeForce GTS 450 @ 1GB / ATI Radeon HD 7850 @ 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
The specifications are more or less what they are for Infinite Warfare—as you would expect.
Just to mentioned, that you would need an additional 70GB for your install of Infinite Warfare; the 55GB mentioned in the specifications is just for Modern Warfare Remastered. The games release officially on November 4th.