When you are installing Delphi 7 on Windows 7, the Help system inside Delphi 7 is not working. And this is the solution to fix it.
1. Go to Microsoft website to get the MS Update Fix.
here is the MS Update Fix for Winhelp
2. Download the update, and run it, start Delphi 7, and voila the Delphi 7 Help system is working now...