Purchasing of individual features of a software product

In various embodiments, a user may, via a processing device, indicate a desire to purchase a feature of an installed software product. A purchase request may be sent to an e-commerce server, or other server. The purchase request may be validated and information concerning the software product, the feature of the software product, and the processing device may be stored. Enabling information may be sent to the processing device to enable the feature of the software product. In some embodiments, the user may request a trial of a feature of a software product before purchasing the feature. In other embodiments, the user may deactivate a purchased feature of a software product on one processing device and may activate the purchased feature of the software product on a different processing device.