At least 6 GB of free disk space (up to 15 GB for MPU development). How to Download STM32CubeIDE: Step-by-Step
While the download and installation process is designed to be user-friendly, new users often face a specific hurdle immediately after installation: . The IDE does not come with the source code for every single STM32 chip pre-installed to save space. When a user starts their first project and selects a specific microcontroller (e.g., the STM32F401), the IDE will prompt them to download the associated "STM32Cube Firmware Package." This requires an active internet connection and can take several minutes. Understanding that the initial download is just the "engine," and that the "fuel" (firmware libraries) is downloaded on-demand, helps prevent confusion. stm32cubeide download
STM32CubeIDE is a multi-OS, integrated development environment (IDE) based on the Eclipse®/CDT™ framework. It serves as a central hub for: Setting up MCU peripherals and clock trees. At least 6 GB of free disk space