The answers to these questions (and more) can be found at pro-soft.de.
Click lanauditor to visit their lanauditor Home Page.
Click lanauditor Download New Version 4.0 to get the newest lanauditor 4.0 (25 nodes Freeware).
Click lanauditor Download last released evaluation (10 nodes Freeware).
Click Q/A: for your personel questions/answers about network inventory tools.