Windows version

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 This article is based on Visual Basic 6. Find other Visual Basic 6 articles.

There is a function in windows that will tell you what version it is running called, unsurprisingly, GetVersion()

The data this returns is not quite as friendly as it could be, so this function converts it to a nice usable value:

Private Declare Function GetVersion Lib "kernel32" () As Long

Public Function WindowsVersion() As Single
Dim Version As Long
  Version = GetVersion()
  WindowsVersion = (Version And &HFF&) + (((Version And &HFF00&) \ &H100)) / 100
End Function

The values for each version of windows are as follows:

Windows NT 3.51 3
Windows 3.1 3.1
Windows NT 4 4
Windows 95 4
Windows 98 4.1
Windows ME 4.9
Windows 2000 5
Windows XP 5.01 (This is not 5.1 as Microsoft changed the format)
Server 2003 &
Windows XP x64
Windows Vista 6
Windows 7 6.01 (See the comment above)

See also