System Requirements for Windows 8.1 Pro X64 OEM ESD en-US June 2018: ==================== Minimum: Processor: Pentium 4 3.0GHz Memory: 1 GB for XP / 2 GB for Vista Video Card: DirectX 9 compatible video card with 128 MB, Shader model 2.0. ATI X800, NVidia 6600 or better Hard drive: At least 13 GB free space Sound card: DirectX 9.0c compatible sound card Recommended: Processor: Intel core 2 duo 2.4GHz Memory: 1 GB for XP / 2 GB for Vista Video Card: DirectX 9 compatible video card with Shader model 3.0. NVidia 7600, ATI X1600 or better Hard drive: At least 13 GB of free space Sound card: DirectX 9.0c compatible sound card Languages: English, French, German, Portuguese (Brazilian)