What does it mean for programs: Runs from Windows 5.0 and higher?
This is the version number of Windows, for example Windows 2000 has the Windows version number 5.0, the "Windows XP" 5.1 and the Windows XP 64 bit the version number 5.2.
Quite confusing at first glance.
Every version of Microsoft's Windows is released with a new version, these version numbers are especially important for application developers, so that it works with the program compatibility, you can query it in the program and adjust the program accordingly in case of problems. The OS version contains various sections, the so-called OSVERSIONINFO structure of MS Windows. OSVERSIONINFO consists of three parts, namely Major Version (dwMajorVersion), Minor Version (dwMinorVersion) and Build # (dwBuildNumber).
Here is a small overview of the Windows operating systems:
It is equally possible that a 32-bit application can detect whether under WOW64 runs (works) by calling the IsWow64Process function!
to determine whether a particular operating system function is available. This is due to the fact that the operating system also has other DLL-s libraries that are installed, for example, through the update or "Service Pack".
Find out the Windows version
If you are not sure which Windows you have or whether the service pack is installed, you can display the Windows version via Windows Start> Run> and the command "winver" .
You can also get more information about the operating system via cmd.exe.