You may download Windows version from here en.stm32cubeprog_v2-3-0.zip
Make sure DFU driver has been installed. Check out “Install DFU Drivers” in this page
Connect the FC USB to computer while holding the boot button in.
- Select USB
- USB1 and click Refresh
- select “Erasing & Programming”
- Browse the hex or bin file from your computer
- Click “Start Programming”
After flashing, unplug USB and plug USB back in. FC will run in COM mode.