Use the code below to find out which version of windows is being used.

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Option Explicit

Private Type OSVERSIONINFOEX
dwOSVersionInfoSize As Long
dwMajorVersion As Long
dwMinorVersion As Long
dwBuildNumber As Long
dwPlatformId As Long
szCSDVersion As String * 128
End Type

Private Const VER_PLATFORM_WIN32s = 0
Private Const VER_PLATFORM_WIN32_WINDOWS = 1
Private Const VER_PLATFORM_WIN32_NT = 2

Private Declare Function GetVersionEx Lib "kernel32" _
Alias "GetVersionExA" (lpVersionInformation As _
OSVERSIONINFOEX) As Long

Public Function OSVersion() As String

Dim udtOSVersion As OSVERSIONINFOEX
Dim lMajorVersion As Long
Dim lMinorVersion As Long
Dim lPlatformID As Long
Dim sAns As String


udtOSVersion.dwOSVersionInfoSize = Len(udtOSVersion)
GetVersionEx udtOSVersion
lMajorVersion = udtOSVersion.dwMajorVersion
lMinorVersion = udtOSVersion.dwMinorVersion
lPlatformID = udtOSVersion.dwPlatformId

Select Case lMajorVersion
Case 5
sAns = "Windows 2000"
Case 4
If lPlatformID = VER_PLATFORM_WIN32_NT Then
sAns = "Windows NT 4.0"
Else
sAns = IIf(lMinorVersion = 0, _
"Windows 95", "Windows 98")
End If
Case 3
If lPlatformID = VER_PLATFORM_WIN32_NT Then
sAns = "Windows NT 3.x"

'below should only happen if person has Win32s
'installed
Else
sAns = "Windows 3.x"
End If

Case Else
sAns = "Unknown Windows Version"
End Select

OSVersion = sAns

End Function