If you want the easiest way to update the firmware you should use our EZFirmware website located here: EZFirmware - TH3D Studio LLC
These downloads are for people that wish to compile the firmware on their computer.
If you wish to download the EZBoard V1 or V2 Standard firmware you can download them from the links below. This is to be compiled with Visual Studio Code per our Unified 2 32-Bit Guide.