Windows PC USB Drivers and firmware uploader:
How to flash firmware on Windows PC
- Download .hex file with firmware (Dual V2 firmwares, Triple I/O firmwares)
- Download USB Drivers for Windows and install
![](https://kgmidicontrollers.com/wp-content/uploads/2021/11/image.png)
![](https://kgmidicontrollers.com/wp-content/uploads/2021/11/image-1.png)
3. Download and extract Xloader and run XLoader.exe
![](https://kgmidicontrollers.com/wp-content/uploads/2021/11/image-2-1024x212.png)
![](https://kgmidicontrollers.com/wp-content/uploads/2021/11/image-3.png)
Select .hex file with firmware, Device Duemilanove/Nano(ATmega328old), Baud rate 57600, select COM port that will appear after connecting controller with USB, then hit Upload:
![](https://kgmidicontrollers.com/wp-content/uploads/2021/11/image-4.png)
Upload process will take 10-20 seconds.
![](https://kgmidicontrollers.com/wp-content/uploads/2021/11/image-5.png)
Done.
Reboot device by replugging power.