This is the original Microsoft windows 7 ultimate SP1 (32-bit) ISO from Microsoft. Including Microsoft updates until 9.1.2013 and Internet Explorer 9. - This release is the best you could find on the net, because Maherz made it just simple: * NO tweaks or add-ons. * NO additional programs and software added. * NO graphics, scripts and wallpapers added or changed. * It's the original image from Microsoft except added updates and IE9! - System requirements: * 1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor. * 1 gigabyte (GB) RAM. * 16 GB available hard disk space. * DirectX 9 graphics device with WDDM 1.0 or higher driver. - Homepage: Microsoft Windows 7 - Hashes of ISO file: * CRC32: 17EC189E * MD5: 4441B59A762716B955B044E1627155D2 * SHA-1: 672221136E904459658DFAE407B9B0AE88B6DD9C - Instructions: 1) Extract compressed files. 2) Burn ISO file into a DVD with MINIMAL speed. 3) Install as normal. When asked for a key leave it empty.