Here are the system requirements for Far Cry 4 and its add-on content:

Minimum Requirements:

OS: Windows 7 (SP1) / Windows 8 / Windows 8.1 (64-bit only)

Processor: 2.6 GHz Intel Core i5-750 or 3.2 GHz AMD Phenom II X4 955

Memory: 4 GB RAM

Graphics: NVIDIA GeForce GTX 460 or AMD Radeon HD5850 (1 GB VRAM)

DirectX: Version 11

Network: Broadband Internet connection

Sound Card: DirectX-compatible (5.1 surround sound recommended)

Additional Notes: Windows-compatible keyboard, mouse, optional controller (Xbox 360 Controller for Windows recommended)

Recommended Requirements:

OS: Windows 7 (SP1) / Windows 8 / Windows 8.1 (64-bit only)

Processor: 2.5 GHz Intel Core i5-2400S or 4.0 GHz AMD FX-8350 or better

Memory: 8 GB RAM

Graphics: NVIDIA GeForce GTX 680 or AMD Radeon R9 290X or better (2 GB VRAM)

DirectX: Version 11

Sound Card: DirectX-compatible (5.1 surround sound recommended)

Additional Notes: Supported video cards at the time of release: NVIDIA GeForce GTX 460 or better, GeForce GTX 700 series; AMD Radeon HD5850 or better, Radeon R9 series. Note: Laptop versions of these cards may work but are NOT officially supported.

These specifications will ensure that you can enjoy Far Cry 4 and its additional content smoothly on your PC. Make sure your system meets or exceeds these requirements for optimal performance and gameplay.