A physical physical USB device that must remain plugged into the PC at all times during software operation. Legacy File Licenses: Older versions (like 10.x and 9.5) often used text files placed in specific directories (e.g., /Common/Archestra/License License in InTouch HMI - AVEVA™ Documentation
: USB-based physical keys that must remain plugged into the PC during operation. If moved to another PC, the license effectively transfers with it. Flex Subscriptions wonderware intouch license key