1. Make your booking for a normal seat on AirAsiaX. Even if you got your seat for free (which I did win as a prize), it is fine, you are still entitled for the upgrade.
2. Go to http://www.optiontown.com and key in your Booking Reference Number and Last Name.
3. View the price offered for the upgrade
|Go to OptionTown to key in your 6-character Booking Reference|