Hard to find ?
Here is it. Version 2.0.2
Zalman VE500 3637E FWUpdater V2.02 [07.09.2018] size: 2 726 110 bytes.
Just unzip and execute the .exe file (Right clic and Execute as Administrator). The Zalman must be connected !
Manuel Fr et En
Tip : press number 3 will update all .iso files (rescan)