diff --git a/Pyboard-Firmware-Update.md b/Pyboard-Firmware-Update.md
index 562f530..b1f50c3 100644
--- a/Pyboard-Firmware-Update.md
+++ b/Pyboard-Firmware-Update.md
@@ -85,7 +85,41 @@ Dependencies
 * libusb (MacPorts: port install libusb or HomeBrew: brew install libusb)
 * PyUSB  (pip install pyusb)
 
-### On Windows
+### On Windows - Using dfu-util
+
+Install WinUSB using the [Zadig](http://zadig.akeo.ie/) utility, by selecting Options->List All Devices, select "STM32 BOOTLOADER" and click Install Driver.
+
+Download [dfu-util](http://dfu-util.sourceforge.net/) for Windows (version 0.9 at the time of writing) and unzip.
+
+Execute:
+```
+dfu-util -l
+```
+You should see something like:
+```
+dfu-util 0.9
+
+Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.
+Copyright 2010-2016 Tormod Volden and Stefan Schmidt
+This program is Free Software and has ABSOLUTELY NO WARRANTY
+Please report bugs to http://sourceforge.net/p/dfu-util/tickets/
+
+Found DFU: [0483:df11] ver=2200, devnum=3, cfg=1, intf=0, path="2-1.3", alt=3, name="@Device Feature/0xFFFF0000/01*004 e", serial="357637573036"
+Found DFU: [0483:df11] ver=2200, devnum=3, cfg=1, intf=0, path="2-1.3", alt=2, name="@OTP Memory /0x1FFF7800/01*512 e,01*016 e", serial="357637573036"
+Found DFU: [0483:df11] ver=2200, devnum=3, cfg=1, intf=0, path="2-1.3", alt=1, name="@Option Bytes  /0x1FFFC000/01*016 e", serial="357637573036"
+Found DFU: [0483:df11] ver=2200, devnum=3, cfg=1, intf=0, path="2-1.3", alt=0, name="@Internal Flash  /0x08000000/04*016Kg,01*064Kg,07*128Kg", serial="357637573036"
+```
+To install the firmware execute:
+```
+dfu-util --alt 0 -D pybv10-2014-05-19-v1.0.1-24-g5cdff5f.dfu
+```
+Which should show progress bars for the firmware download to the pyboard and complete with:
+```
+done parsing DfuSe file
+```
+After the the program has finished, disconnect the pyboard from USB and remove the jumper between the DFU and the 3.3v ports.
+
+### On Windows - Using STM DfuSe
 
 See this PDF document: [Micro-Python-Windows-setup.pdf](http://micropython.org/resources/Micro-Python-Windows-setup.pdf)