You can just ftp the file helppc21.zip from here
to your disk. After you have unzipped this (using
WinZip, for instance) to some directory, you just execute
the BUILD.BAT file. Then invoke "HELPPC".
Mirror from
Jannes Faber:
FTP sites that contains version 2.1 of HelpPC,
a great shareware technical database of information on
hardware and software for IBM PC: