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.