How to flash and install the Embedded Wizard GUI Demo on the STM32F7 Board within 30 seconds
Download the shown GUI application here: http://www.embedded-wizard.de/high-performance-gui-hmi-for-stm32f7-discovery.html
With the new STM32F7 discovery board, which supports the mbed.org project, it is very easy to update new binaries.
Simply copy the binary to the recognised mass storage device on your development PC or Mac.