The specific software copy they downloaded (based on the serial number).Customer is emailed the unlock key that unlocks the following:.If customer decides yes, then they purchase an unlock key from my website, providing me with the serial number of their copy of the software (or they download a new copy and purchase the key all at once).Customer decides if they want to buy it or not.Customer comes to my website and downloads the setup package as a free 30 day trial (by default, the software behaves in trial mode unless an unlock key is purchased and entered). ![]() I wanted to provide the customer with the following scenario: ![]() I needed a quick way to sell a small, inexpensive WinForms application from my website either after the customer completes a free trial period, or when purchasing at download time. This is my first article posting to CodeProject.
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