How to program STM32_F4VE with ST-LINK/V2/01-0
* Install STM32 STLink Utility.
* Install STSW-LINK009 driver.
* Connect ST-link V2 to the board.
* Give Power supply to the board. 
* Click load in Keil software it will ask to update the firmware of ST-link. 
  Update and dump the code to board.