How to make help file (extension | .hlp) available in Windows 10

SC2 2018-05-01

2021-08-31

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When I called the help file for the photo retouching software JTrim, whose development stopped in 2007, instead of launching the help file (JTrim.hlp), IE was launched and support.microsoft.com was displayed.

According to the information on the Microsoft official website, Microsoft WinHelp (extension | -.hlp) is a file format that can be displayed on a Windows OS with winhelp.exe or winhlp32.exe installed, but it has been removed from Windows Vista and later OSs.

We have moved from Windows Vista to the new help file format, Microsoft Assistance Markup Language, but now Microsoft Compiled HTML Help (extension | .chm) is also available.

HTML Help has a long history as it is a help file format available since Windows 98.

Therefore, by default, the help file format available for Windows 10 is Microsoft Compiled HTML Help (extension | .chm) or Microsoft Assistance Markup Language, but the latter is not a development kit, so .chm files are the mainstream. I think it has become.

Help file extension and OS
extension	OS
.hlp	Windows 3.0 to Windows XP * If you install WinHlp32.exe from Microsoft official website, you can use up to Windows 8.1.
.chm	Windows 98 to Windows 10

Genuine WinHlp32.exe does not exist

At the time of writing this article, winhlp32.exe for Windows Vista to 8.1 is provided on the official Microsoft website, but genuine winhlp32.exe for Windows 10 is not provided.

If you want to view the .hlp file extension on Windows Vista, 7, 8, and 8.1, get WinHlp32.exe from Microsoft and install it.

Upon further investigation, I found a site that published instructions for installing WinHlp32.exe on Windows 10.

I was able to install WinHlp32.exe following the instructions on that site, so make a note of the steps I performed.

The Windows Help program is not supported on Windows 10 and Windows Server 2012 and later versions of Windows Server. The Windows Help program is available only on Windows Vista, 7, 8, and 8.1.
support.microsoft.com

Steps to install WinHlp32.exe on Windows 10

Source: DoldoWorkz ｜ moondoldo.com

[Things necessary]

WinHlp32.exe installation batch file (moondoldo.com) for Windows 10
WinHlp32.exe (Microsoft) for Windows 8.1

Download link

Make sure you download the correct file as the required files will differ on Windows 10 64-bit /32-bit.

Batch files are common to 64-bit /32-bit.

Source: DoldoWorkz ｜ moondoldo.com
	Direct link
batch file 64-bit /32-bit	winhlp32_Install_Windows10_ja-jp_x86x64_300.zip
Windows 10 64-bit	Download update for Windows 8.1 for x64-based systems (kb917607) from official Microsoft download center
Windows 10 32-bit	Download update for Windows 8.1 (kb917607) from official Microsoft download center

WinHlp32.exe installation procedure

Place the batch file (winhlp32_Install_Windows10_ja-jp_x86x64.cmd) and 64-bit or 32-bit KB917607 in the same folder, then start the batch file in administrator mode.

The specific procedure is as follows.

Unzip winhlp32_Install_Windows10_ja-jp_x86x64_300.zip
Place winhlp32_Install_Windows10_ja-jp_x86x64.cmd and Windows8.1-KB917607-x64.msu (32-bit is Windows8.1-KB917607-x86.msu) in the same folder
Run winhlp32_Install_Windows10_ja-jp_x86x64.cmd as an administrator
UAC dialog appears, select "Yes"
"Installation completed successfully" is displayed
end

How to run a batch file as administrator

Right-click winhlp32_Install_Windows10_ja-jp_x86x64.cmd and select "Run as administrator".

Confirmation of JTrim.hlp startup

Afterword

2017/07/21

Applying the Windows 10 feature update that is released twice a year initializes some features of Windows, which may cause a resurgence of uninstalled Microsoft Store apps or a repaired event viewer. I will.

And, WinHlp32.exe was deleted when updating to Windows 10 Pro April 2018 Update.

Therefore, back up the batch file and WinHlp32.exe used in this procedure in case they are initialized.

External link

Validation: Windows 10 Pro Fall Creators Update, v1709
Windows 10 Pro April 2018 Update, v1803

：SC2