The latest version for supported users is 12.0037
You can check which version you're currently running by looking in the main Herschel window:
You'll find a complete version history at the bottom of this page, as well as an encrypted zip file containing an upgrade for your system.
If you have Herschel support download the zip file and then email email@example.com to obtain a password. This will allow you to extract Herschel_V12_Upgrade.exe from the zip file.
When nobody is using Herschel, run the upgrade program Herschel_v12_Upgrade.exe and follow the straightforward on-screen instructions.
Windows may warn you about starting an unrecognised app. To continue with the upgrade, click here:
Then click here: