I can't understand you question clearly but here are some hints..
if you r talking about usb port :
To add usb drive in protesu schematic Click opamp icon in left pan. then click 'P' and in popup window find usb. it will show usb connector symbol.
if you r talking about usb driver:
Go to Start Menu>Programms>Proteus>Virtual usb> there is install icon. run it and proteus will load virtual usb service.
if you are talking about jnut thailand page its working. and i will also upload the orignal article soon. Currently i m very busy.
if any one need more help you can contact my friend (authour of that example) firstname.lastname@example.org