Sentemul 64-bit is a specialized software emulator designed to create virtual versions of physical dongles, primarily targeting the family, including Sentinel SuperPRO , UltraPRO , and HASP HL devices. While earlier versions like Sentemul 2010 32 Bits were restricted to 32-bit environments, the 64-bit iterations allow these legacy protection keys to function on modern 64-bit operating systems like Windows 7, 10, and 11. Core Functionality
You can find the Sentinel LDK Developer Guide which explains how the software communicates with the dongle. sentemul 64 bit