How do I install the DFU driver for USB DFU mode on Windows?
If using the STM32 device in USB DFU mode, install the STM32CubeProgrammer DFU driver by running the 'STM32 Bootloader.bat' file provided in the DFU driver folder of the release package. If the DFUSE driver is already installed, first uninstall it, reboot the machine, then run the .bat file. Check the 'Delete the driver software for this device' option to avoid reinstalling the old driver when a board is later plugged in. (Page 14)
From the official ST Stm32cubeprogrammer Software manual, page 14
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