Official direct downloads from Borland (later CodeGear and Embarcadero) are generally no longer available for the general public, but there are several legitimate ways to obtain a copy:
Delphi 7 uses old .hlp files (WinHelp), which Microsoft removed after Windows 7. Download WinHlp32.exe from Microsoft’s website (it is a free official download). Install it, and the F1 key will work again. download borland delphi 7
Before you waste hours hunting for a clean ISO, consider this: Modern Windows (especially 64-bit) is hostile to 20-year-old IDEs. The VCL components are outdated, and no 64-bit compilation exists. Official direct downloads from Borland (later CodeGear and