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#50
Adalwar, a little history may help you.
Winhlp32 was realised to be a massive security risk as soon as the Windows world and their PCs became connected to the Internet.
It was an amazingly powerful and versatile way of automatically interacting with the software it documented. A malicious .hlp file could take over a PC, and completely exploit it, without showing any Virus-like traits, except for the data it could expose to the exploiters.
Surprisingly few exploits were actually made, and as soon as Windows moved on through Vista etc., Winhlp32 was only available via downloaded patches. Several proofs of concept were published to show how dangerous .hlp files could be.
.CHM files, which were almost as vulnerable as the .hlp files they replaced, in terms of their ability to be exploited did not last long, either.
Application developers were then encouraged to provide PDF or web-based documentation (analogous to Unix/Linux MAN files) or hard code their help systems into their software suites.
Don't get me wrong - I still use Win32 applications and miss the availability of context sensitive help - which is why I still have Windows XP available so that I can use winhlp32, but I value the security that Windows 10 offers over the earlier versions, including the very few sandboxed apps that I use.
There is every opportunity to safely use older Windows versions, and the applications that were made for them, using virtual machines, without exposing your system to exploitation by criminals. Learn to use your latest OS and the opportunities it gives you without complaining that it is restrictive - it is not.