From IncreaseCore Tech:
Fast File Download ActiveX is an ActiveX component(ActiveX control) that can fast download files from the Internet. You can use it to quickly develop your file download applications. It can be easy used with modern programming language (VB, .Net, C#, VC, Delphi, ASP, PHP etc.).
With multithread download technique, it can fast download files. File will be split into several segments and each file segment will be download in a separate thread at the same time. After all segments download finishing, they will be combined to one as same as the source file.
Fast File Download ActiveX can resume downloads in any case your file download is corrupted. With Fast File Download ActiveX you never need to worry about losing your download, whether you use wireless, dial-up or any other connection. So it's the best chosen for download large files or in a unreliable or slow connections.