License Metatrader 4 validation with cloud server is easy and short process, you need license key fro your product from seller or expert advisor and put same key in expert advsior metatrader 4 or metatrader 5 and once you will attach expert advsior to chart ,if key is valid expert will continue start working without any errors,else a pop alert is shown on screen with message “You have an invalid license key for a product”
For more info you can contact us for securing your expert advsior Metatrader 4/5.