For Alta API-based applications, the function ADT_L1_GetVersionInfo(…) is used to determine this.
This function is described in the AltaAPI Users Manual here: https://www.altadt.com/ReleaseDownloads/AltaAPI%20Users%20Manual.pdf
In the AltaView Analyzer, the software version of AltaView can be obtained by clicking the ? button in the upper right corner of the main AltaView window:
This will yield a software version information dialog box such as:

For the PE in AltaView, that information is displayed after you Open a Device, and looks something like:
