WMI: list of the methods and properties

strComputer = "."
Set objWMIService=GetObject("winmgmts:{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")
 
For Each objclass in objWMIService.SubclassesOf()
    intCounter=0
    If Left(objClass.Path_.Class,5) = "Win32" Then
        For Each Qualifier in objClass.Qualifiers_
            If UCase(Trim(Qualifier.Name)) = "ASSOCIATION" Then
                intCounter = 1
            End If
    [...]

WMI: get the information about the system

Option Explicit
On Error Resume Next

Dim strComputer, objWMIService
Dim colItems, objItem

strComputer = "."

Set objWMIService = GetObject("winmgmts:{impersonationLevel=impersonate}!\\" & _
 strComputer & "\root\cimv2")

Set colItems = objWMIService.ExecQuery ("Select * from Win32_OperatingSystem")

For Each objItem in colItems
WScript.Echo "Machine Name: " & objItem.CSName & VbCr & _
"===================================" & vbCr & _
"Description: " & objItem.Description & VbCr & _
"Manufacturer: " & objItem.Manufacturer [...]

WMI+VBS: how to get the domain name

Option Explicit
On Error Resume Next

Dim strComputer, objNetwork, objWMIService
Dim colItems, objItem

Set objNetwork = WScript.CreateObject("WScript.Network")
strComputer = objNetwork.ComputerName
WScript.Echo "Computer = " & strComputer

Set objWMIService=GetObject("winmgmts:{impersonationLevel=impersonate}!\\"&strComputer&"\root\cimv2")

Set colItems = objWMIService.ExecQuery ("Select * from Win32_ComputerSystem")
For Each objItem in colItems
 Wscript.Echo "Domain = " & objItem.domain
Next

There is also WMI FAQ on [...]