Microsoft is dropping support for WinHelp in Windows Vista. WinHelp or Windows Help as WinHlp32.exe is a help program that has been included with Microsoft Windows operating system since version Windows 3.1. Previously, this Windows Help program (WinHlp32.exe) is required to display 32-bit help content files that have the “.HLP” file name extension.

However it’s still possible to open and view 32-bit Help files with the .HLP extension in Windows Vista. Simply download and install Windows Help program (WinHlp32.exe) for Windows Vista, and you will be able to display 32-bit Help files that have the “.hlp” file name extension.

Both 32-bit and 64-bit and all editions of Windows Vista is supported.

WinHlp32.exe Windows Help program for newer Windows versions is now available too.