If you are planning to buy the PC version of Metal Gear Solid 5: The Phantom Pain, you'll want to keep the spec requirements in mind:
MINIMUM:
OS: Windows 7x64, Windows 8x64 (64-bit OS Required)
Processor: Intel Core i5-4460 (3.40 GHz) or better; Quad-core or better
Memory: 4 GB RAM
Graphics: NVIDIA GeForce GTX 650 (2GB) or better (DirectX 11 card Required)
DirectX: Version 11
Hard Drive: 28 GB available space
Sound Card: DirectX 9.0c compatible sound card RECOMMENDED:
OS: Windows 7x64, Windows 8x64 (64-bit OS Required)
Processor: Intel Core i7-4790 (3.60GHz) or better; Quad-core or better
Memory: 8 GB RAM
Graphics: NVIDIA GeForce GTX 760 (DirectX 11 graphic card required)
DirectX: Version 11
Hard Drive: 28 GB available space
Sound Card: DirectX 9.0c compatible sound card (Surround Sound 5.1) | 
