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Warning: this tip is obsolete. It applies only to Delphi 3 through to Delphi 7 which used the WinHelp system. WinHelp is obsolete and will not run on Windows 10.

Despite what it says in Delphi's documentation, to add component help simply follow these instructions.

## 1: Add the component help file to the registry

Add the help file's location to

    HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\Help

To add

    C:\Program Files\Borland\Delphi4\Help\MyHelp.hlp

to the registry insert a value named MyHelp.hlp, with the above path as the value.

## 2: Enable Delphi to display the component's help keywords in the index

Open

    C:\Program Files\Borland\Delphi4\Help\delphi4.cnt

and add the following entry to the end of the file's index section:

    :Index My Help Title=MyHelp.hlp

## 3: Add link support to Delphi's Help system

Open

    C:\Program Files\Borland\Delphi4\Help\delphi4.cfg

Add the following line to the end of the file:

    :Link MyHelp.hlp

Then add

    :Include Delphi4.cfg

to your contents file (`MyHelp.cnt`).

The article "How to integrate help files into the Delphi 3-7 IDE" expands upon this tip.