Option Explicit Const HELP_CONTENTS As Long = 3 Private Declare Function WinHelp Lib "user32.dll" Alias "WinHelpA" (ByVal hWndMain As Long, ByVal lpHelpFile As String, ByVal uCommand As Long, dwData As Any) As Long Private Sub Form_Load() ' replace WINDOWS with the name of your Windows folder. WinHelp Me.hWnd, "C:\WINDOWS\Help\regedit.hlp", HELP_CONTENTS, ByVal 0 End Sub