Since sisNET CE Update 4, the full details of the official release and of the latest sisNET fixes can be found with the 'Version Info' - Button in the Ribbon under Administration. This will bring up a screen showing the version details of the sisNET release and of any fixes, if applied. E.g., in the screenshot below, the sisNET CE Update 5 had release version number 10.16.05.09 and contained fixes with number 10.4.0.595. If you install a later set of fixes, the fixes version information will be updated. See the screenshot below for an example: