The code was entered into the software’s "Help" or "Registration" menu, which then contacted a VHI server to validate the license.
Each purchase included a serial number or product key, often found on the back of the original installation CD case or provided via email for digital orders. Vhi Pc-kits Activation Code
Because the VHI activation servers are no longer active, many users find themselves unable to complete the registration of "PC-Kits" even if they possess a valid legacy code. The code was entered into the software’s "Help"
Users were generally allowed to use the code on one computer at a time, requiring a "deactivation" on the old machine before it could be used on a new one. Current Activation Challenges Users were generally allowed to use the code
Historically, the Vhi PC-Kits activation process followed these steps:
It is important to note that and is no longer providing official support, updates, or new activation codes for its legacy PC-Kits software. This has created significant challenges for healthcare facilities attempting to reinstall the software on new computers or recover lost licenses. How the Activation Code Works
Difference between product key and activation code - Microsoft Support