Windows
OS: Windows Vista / XP / 7 Processor: Intel Core 2 Duo E6600 or AMD Phenom X3 8750 or better Memory: 2GB Graphics: Shader 3.0 or better 256 MB NVIDIA GeForce 8600 GT / ATI Radeon X1950 Pro or better DirectX: DirectX 9.0c Hard Drive: 12GB Sound: DirectX 9.0c-compatible Additional: Call of Duty: Black Ops requires an initial hard drive space of approximately 24GB to download and install the game via digital download (8GB of compressed files, 8GB of decompressed files and 8GB of installed files). Upon installing the game, 16GB (compressed and decompressed files) may be deleted from the hard drive. Please make note of where the compressed and decompressed files are being saved on your hard drive in order to later locate these temporary files for removal.