: IAR offers a 14-day full-featured evaluation license for testing the software.
: Historically, IAR provided a code-size-limited free version (usually 32KB) for hobbyists, though availability may vary by region or latest policy. : IAR offers a 14-day full-featured evaluation license
: Many developers use GCC Arm Embedded paired with modern IDEs like Visual Studio Code or STM32CubeIDE , which are free and professionally supported. Try Software | IAR : IAR offers a 14-day full-featured evaluation license