OnlineUpdate 3.0 COM - The present product provides COM, ActiveX, DLL and other ways for developing, giving the developers multiple choice.
Providing support to multiple proxy servers, such as HTTP and socks4/4a/5.
A function of file compression that reduces the transmission size of the file.
A function of file checkup that guarantees the veracity of files.
The present product supports resuming broken transmission.
Supporting the common updating of files, date comparison updating and performing a variety of ways of upgrade.
The end user needs no support of other class libraries except the present product

OnlineUpdate 3.0 COM is the Shareware version. The full version can be purchased by clicking on the "CLICK HERE TO ORDER" button below for around  99.00USD.