In order to flash the board using WebUSB on Windows the WinUSB driver must be installed.
- Download Zadig
- Put board into USB boot ROM mode, by holding down Boot or BOOTSEL button while plugging in USB cable.
- Open Zadig
- In drop-down, ensure "RP2 Boot (Interface 1)" is selected:
- Click "Install Driver" button.
- WinUSB driver is installed
