The location of the Firmware file should already be set by default and the user should not need to change this unless they are loading a previous version of the firmware. The path should be "C:\Program Files\VeriColor Hub System v2.0\HubFirmwareLoader\VC100B_v06N403.bin". This could change if the VeriColor installation directory is different than the default.
At this point, with the instrument plugged in, simply click the "Upgrade New Firmware" button to begin the firmware upgrade procedure. This generally take several minutes.
WARNING: Do Not Interrupt This Process as it will corrupt the system !