What are you using to write your code (STM32CubeIDE, Keil, Arduino)? Are you getting a specific error (e.g., "Model not found")?
The Proteus library for STM32 provides a comprehensive set of models for simulating STM32 microcontrollers. The library includes: proteus library for stm32 install
The STM32 family of 32-bit ARM Cortex-M microcontrollers from STMicroelectronics has become a cornerstone of modern embedded development. However, simulating these powerful chips before hardware prototyping can save months of debugging. by Labcenter Electronics is the industry’s leading simulation software, but it does not ship with native STM32 models. To simulate STM32 in Proteus, you need to manually install third-party or official library packs. What are you using to write your code
Troubleshooting
Proteus is an electronic design automation (EDA) suite with schematic capture, simulation (including microcontroller firmware co-simulation), and PCB layout. STM32 is a family of ARM Cortex-M microcontrollers from STMicroelectronics widely used in embedded projects. Integrating STM32 into Proteus lets you simulate circuits that include STM32 chips running your firmware before hardware is built. The library includes: The STM32 family of 32-bit