systeminfo OSVersion property
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Applies to
acSystemInfo component.  

Declaration
type  
  TacOSVersion = (osUnknown, os95, os95OSR2, os98, os98SE, osNT3, osNT4, os2K, osME, osXP, os2003Server, osVista);  
 
property OSVersion: TacOSVersion; // read-only!  

Description
The OSVersion property determines the operation system on user's machine.  
 
ValueMeaning  
os95Windows 95;  
os95OSR2Windows 95, OSR 2 edition;  
os98Windows 98;  
os98SEWindows 98, SE edition;  
osNT3Windows NT3;  
osNT4Windows NT4;  
os2KWindows 2000;  
osMEWindows ME (Millenium);  
osXPWindows XP  
os2003ServerWindows 2003 Server  
osVistaWindows Vista  
osUnknownUnknown system.  

See also
WinNT property and GetOS routine.