v:\> echo %@WMI[. "SELECT Caption,CSDVersion from Win32_OperatingSystem"]
Microsoft Windows 7 Professional
Service Pack 1
v:\> echo %@regquery["HKLM\Software\Microsoft\Windows NT\CurrentVersion\ProductName"]
Windows 7 Professional
v:\> echo %@regquery["HKLM\Software\Microsoft\Windows NT\CurrentVersion\CSDVersion"]
Service Pack 1