If you are looking for general virtual USB or disk management rather than dongle emulation:
The Virtual USB MultiKey driver for Windows 11 is primarily used as a dongle emulator to bypass physical hardware keys (like SafeNet Sentinel or HASP) required by certain professional software. virtual usb multikey driver windows 11
Many expensive professional software suites (CAD, embroidery, industrial design) require a physical USB "key" to run. If that key is lost, broken, or if you are using a machine without USB ports (like a modern ultrabook), this driver allows the computer to recognize a "virtual" version of that key. If you are looking for general virtual USB