install .Net Framework 4 and Visual C++ software.
extract the HID Bootloader 2.6b software
Open the HID Bootloader 2.6b software
Insert PIC18FUSB Device into a usb port on your Computer (XP, Vista or Win 7 32/64 OS)
Press and release the programming button on PIC 18F USB
PC should ding and load drivers for new USB device
Once PC has detected device the GUI will now allow you to "Open Hex File", select the HEX you want to program with.
Click Program/Verify button
Device will Flash the hex and you will see a script saying Verify running. Once you see Verify Started you good to go. the software has a slight bug that usually wont complete verify,
but your safe to remove the device and USE your hex.