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Posted 14 Mar 2005


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XWinVer - Simple class to get Windows OS version

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4.86/5 (31 votes)
13 Jun 2007CPOL
Get Windows OS version and service pack info in numeric and string formats.


There are many classes to get Windows version numbers, so why another one? Briefly, because none of them offered the simplicity and low overhead that I wanted, while giving me the information I needed. Instead of writing endless standalone functions (is it XP? is it SP2?), I decided to incorporate everything into a single class.

To keep the class overhead down to a minimum, I designed a new class as a singleton, with version data retrieved and stored only once per program.

XWinVer Functions

The CXWinVersion class includes functions to retrieve the OS version number both as an integer and a string value, as well as service pack.

Here are the functions available in CXWinVersion:

// Public APIs:
//         NAME                            DESCRIPTION
// ---------------------  -----------------------------------------------
// GetMajorVersion()       Get major version number
// GetMinorVersion()       Get minor version number
// GetBuildNumber()        Get build number (ANDed with 0xFFFF for Win9x)
// GetServicePackNT()      Get service pack number
// GetPlatformId()         Get platform id
// GetServicePackString()  Get service pack string
// GetVistaProductString() Get Vista product string (e.g.,"Business Edition")
// GetVistaProductType()   Get Vista product type
// GetWinVersion()         Get windows version (CXWinVersion code)
// GetWinVersionString()   Get windows version as string
// IsMediaCenter()         TRUE = Media Center Edition
// IsWin95()               TRUE = Win95
// IsWin98()               TRUE = Win98
// IsWin2KorLater()        TRUE = Win2000 or later
// IsWin2003()             TRUE = Win2003
// IsWinCE()               TRUE = WinCE
// IsXP()                  TRUE = XP
// IsXPorLater()           TRUE = XP or later
// IsXPHome()              TRUE = XP Home
// IsXPPro()               TRUE = XP Pro
// IsXPSP2()               TRUE = XP SP2
// IsVista()               TRUE = Vista
// IsVistaHome()           TRUE = Vista Home
// IsVistaBusiness()       TRUE = Vista Business
// IsVistaEnterprise()     TRUE = Vista Enterprise
// IsVistaUltimate()       TRUE = Vista Ultimate

How To Use

To integrate XWinVer into your app, you first need to add XWinVer.h and XWinVer.cpp to your project. Next, include the header file XWinVer.h in each source module that you want to use CXWinVersion in. Now you can call CXWinVersion functions by just writing:

BOOL bXPSP2 = WinVersion.IsXPSP2();

Note that WinVersion is automatically instantiated when you include the header file XWinVer.h.

The Demo App

The demo app displays various version info:

For Windows XP:


For Windows Vista:



Revision History

Version 1.2 - 2007 June 7

  • Added IsVista(), IsVistaXXXXX()
  • Added GetVistaProductString()
  • Added GetVistaProductType()
  • Added GetPlatformId()
  • Added IsMediaCenter()
  • Added IsWin95()
  • Added IsWin98()
  • Added IsWinCE()

Version 1.1 - 2005 March 14

  • Initial public release.


This software is released into the public domain. You are free to use it in any way you like, except that you may not sell this source code. If you modify it or extend it, please do consider posting the new code here for everyone to share. This software is provided "as is" with no expressed or implied warranty. I accept no liability for any damage or loss of business that this software may cause.


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Hans Dietrich
Software Developer (Senior) Hans Dietrich Software
United States United States
I attended St. Michael's College of the University of Toronto, with the intention of becoming a priest. A friend in the University's Computer Science Department got me interested in programming, and I have been hooked ever since.

Recently, I have moved to Los Angeles where I am doing consulting and development work.

For consulting and custom software development, please see

Comments and Discussions

GeneralWindows 2008 Pin
vvatclor6-Mar-08 22:35
Membervvatclor6-Mar-08 22:35 
GeneralWindows FLP Pin
Steffen Lange13-Jun-07 6:53
MemberSteffen Lange13-Jun-07 6:53 
GeneralDetecting Windows VISTA Pin
AlexEvans25-Sep-06 17:27
MemberAlexEvans25-Sep-06 17:27 
GeneralRe: Detecting Windows VISTA Pin
islobodan28-Jan-07 11:04
Memberislobodan28-Jan-07 11:04 
GeneralRe: Detecting Windows VISTA Pin
AlexEvans28-Jan-07 11:30
MemberAlexEvans28-Jan-07 11:30 
NewsWinXP x64 Pin
Attila Kúr6-Nov-05 20:41
MemberAttila Kúr6-Nov-05 20:41 
GeneralLegacy OS are missing Pin
KarstenK24-Mar-05 0:53
mveKarstenK24-Mar-05 0:53 
GeneralScreenshots not displayed. Pin
WREY23-Mar-05 7:09
MemberWREY23-Mar-05 7:09 
GeneralRe: Screenshots not displayed. Pin
Hans Dietrich23-Mar-05 8:12
mentorHans Dietrich23-Mar-05 8:12 
GeneralRe: Screenshots not displayed. Pin
WREY23-Mar-05 8:42
MemberWREY23-Mar-05 8:42 
GeneralRe: Screenshots not displayed. Pin
Ed.Poore12-Jun-07 13:22
MemberEd.Poore12-Jun-07 13:22 

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