Proteus Library For Stm32 Exclusive — =link=
It is worth noting that Labcenter Electronics (the makers of Proteus) has improved native support for Cortex-M devices. The official libraries are robust, support debugging (breakpoints, variable watching), and handle interrupts correctly.
Thus, if you search for "Proteus library for STM32 exclusive" on Labcenter's official forum, you will find a recurring answer: "Full STM32 peripheral support is only available for select devices via the 'STM32 VSM Models' add-on, which requires a Proteus Professional license." proteus library for stm32 exclusive