Windows Vista SP2, Windows 7, or Windows 8/8.1.
The minimum specs allow the game to run at lower graphical settings. This is ideal for laptops or older desktops. Windows Vista SP2, Windows 7, or Windows 8/8
The expansion is also available on macOS and Linux through Aspyr , though requirements differ slightly. macOS (Minimum) Linux (Minimum) macOS 10.12.6 (Sierra) or later SteamOS or Ubuntu 14.04 CPU Intel Core i3 (2.2 GHz) Intel Core i3 or AMD A10 RAM GPU NVIDIA 640M, Radeon 4850, or Intel HD 4000 NVIDIA GeForce 260 (1 GB VRAM) Storage Windows Vista SP2
256 MB VRAM; NVIDIA GeForce 8800 GT, ATI Radeon HD 3650, or Intel HD 3000 integrated graphics. DirectX: Version 11. Storage: 13 GB of available hard drive space. Recommended System Requirements (PC) NVIDIA GeForce 8800 GT