The downloadable evaluation version have a free 30-day trial period to allow you to fully evaluate the performance and features of the software before purchasing. This downloadable versions contains all the functionality of the purchased software. The evaluation version will stop functioning after 30-days. If you want to continue using the software after the evaluation period, you will need to purchase a license from our online store. After purchase, you will receive an unlock key via email. This key will convert the evaluation version to the full version, so you won't need to download and install the software a second time.