If you are a Delphi programmer and need to market your software securely, and you want that your potential customers evaluate your products before to buy them, probably AVLock SIMPLE would be the solution that you were wanted for. Several changes were made on this new version, now with support for the PayPal IPN service. Two new examples has been added to explain how to integrate PayPal IPN with your application. This is quite simple and suitable for the user, this allow you to put a [Pay Now] button into your application, then when the user click this button, is redirected to the PayPal site in order to make the payment, when completed the user click the button [Activate] in order to activate the application according with the payment made. Your users will not need to deal with InstallCodes or Keys, they simply clicks the [Pay Now] button, performs the Payment and clicks the [Activate] button. New and improved set of examples. New OLM Method OnlineRequestKey() implements a new feature which allow users to request a registration key by sending an email to the desired email address, so that the user only will receive the key when the specified email exists and belongs to the user. This allows you to collect email addresses for future marketing campaign.