course: https://www.udemy.com/course/mastering-rtos-hands-on-with-freertos-arduino-and-stm32fx
course model: https://www.st.com/en/evaluation-tools/nucleo-f446re.html
replicated model: https://www.st.com/en/microcontrollers-microprocessors/stm32f303re.html#overview
Download this firmware and paste the Zip file and the extracted file in C:\Users\User_Name\AppData\Roaming\Ac6\SW4STM32\firmwares and reopen Eclipse and good to go. No need to download CubeHAL:
https://www.st.com/en/embedded-software/stm32-standard-peripheral-libraries.html#products
stm32f303re driver: https://www.st.com/en/development-tools/stsw-link009.html
Open STM32 Workbench: https://www.openstm32.org/Downloading%2Bthe%2BSystem%2BWorkbench%2Bfor%2BSTM32%2Binstaller
FreeRTOS: https://www.freertos.org/a00104.html