Downloaded .EXE files are self-installers that distribute all the required files to the correct directories.
If the components have not appeared on the palette use the 'Install Package' option on the 'Packages' menu. If the QR components are not listed in the design library list, then use the 'Add' button. The libary, Dclqrt50.bpl is in the Delphi( or C++Builder) directory called \Projects\BPL.
Problems with downloading
If you use IE5 or IE6, you must turn off folder view for FTP (in Internet Options, Advanced) before attempting to download as it causes downloading to hang; we are investigating. If all else fails, send an email requesting the file.