: Developers use it to distribute updates for their products while keeping the download size to a minimum by only including changed data. How to Use the Utility

For more advanced needs, the SmartVersion SDK allows developers to integrate this technology directly into their own Win32 applications. Smartversion command line utility - Gilles Vollant software

: When an end-user runs the resulting SFX file, it automatically applies the patch to a "source" file (often an ISO or large data file) to generate the updated version.