Get installed hotfixes in Windows

Here is a command: wmic qfe list full

• On XP, go to the registry directly: 
  Instances of this class represent updates found in two places in the registry:

   

  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\    CurrentVersion\Hotfix

  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates

• On Vista+, the registry doesn't exist any more. Try the WMI Class: Win32_QuickFixEngineering Class https://msdn.microsoft.com/en-us/library/aa394391(VS.85).aspx