We recently ran into an issue on a Windows 7 Pro machine when trying to install an application that required .NET Framework 4.0. We thought Windows 7 came with .NET Framework 4.0 installed but the application couldn't find it and prompted us to install it. What's the truth here, is it part of the OS or not?Orange County District Attorney

Windows 7 comes with the .NET Framework 3.5.1. If you need to run an applications that needs the .NET Framework 4.0, you have to install that Framework version. Bye.Luigi Bruno - Microsoft Community Contributor 2011 Award

http://msdn.microsoft.com/en-us/library/bb822049(v=vs.110).aspx Client operating system Includes You can also install Windows 8 Release Preview .NET Framework 4.5 RC .NET Framework 3.5 SP1 (see Installing the .NET Framework 3.5 on Windows 8 Release Preview) Windows 7 .NET Framework 3.5 SP1 .NET Framework 4.5 RC, .NET Framework 4 Windows Vista SP2 .NET Framework 3.0 SP2 .NET Framework 4.5 RC, .NET Framework 4, .NET Framework 3.5 SP1 Windows XP Professional and Windows XP Home Edition .NET Framework 4, .NET Framework 3.5 SP1, .NET

Thanks to you both. This helps me out considerably.Orange County District Attorney