he current release of Solid Edge with Synchronous Technology has been certified to run on the following: * Windows XP Professional operating system (32-bit or 64-bit) * Windows Vista Business or Vista Enterprise operating system (32-bit or 64-bit) * Windows 7 Professional, Windows 7 Ultimate, or Windows 7 Enterprise (32-bit and 64-bit). Requires Solid Edge ST2 MP1 (102.00.01.004) or later If possible * Internet Explorer 7.0 (IE 6.0 minimum) The 64-bit version of Solid Edge requires Microsoft 64-bit operating system loaded on Intel EM64T or AMD64 processors. (More details are below under System Resource Requirements and Information.) Solid Edge stops certifying new releases against an operating system shortly after Microsoft drops mainstream support for it. Windows ME, Windows 98, Windows NT 4.0, and Windows 2000 are unsupported operating systems. Solid Edge will not install on these operating systems. It is not recommended that you run Solid Edge on Server operating systems. Solid Edge will not install on machines without Internet Explorer 6.0 or higher. Internet Explorer is not required to be the default browser. Solid Edge is not supported on Intel Itanium processors. Solid Edge has also been certified to run on 64-bit Windows XP or 64-bit Windows Vista or 64-bit Windows 7 as a 32-bit application.