Arduino for STM32

Hi thank you, i was able to break the protection using Dfuse, all good, but the thing is, i can not get the Blackpill recognized by the COM port.
Arduino IDE never shows anything in the port when Blackpill is connected (in simple or in DFU mode).
I'm new to stm32s, can you please little guide me ...

Hi !
I just upgraded to a new stm32f401 black_pill board. Previously i had stm32f103 blue_pill board to which i uploaded usb_bootlader using STM32cubeprogrammer over UART (using FTDI module).
I've been trying for a while but unlike my previous experience with blue_pill, uploading usb bootloader ...