The developer of the software product can identify features of the software product that are modifiable and/or extendable.

If the authorization message indicates that the source (120, 125) of the software product is authorized to provide the software product, the software product is automatically installed on the device (105).

A software product is also described.

The software product information is added to the license file every time new product is purchased or a product is upgraded.

A software product with an integrated application platform can also provide for the ability of a third party to modify the features of a generic version of a software product to create a custom software product.

The invention also concerns an adapted software product.

The invention also relates to a software product.

On user computer, software product asks user software license control program whether the user has usage license for the software product.

A product key for a software product is obtained and an activation service is accessed by a device to activate the software product with the product key.

A corresponding user equipment, computer program and computer program product are also disclosed.

A corresponding media playback device and software product are also provided.

The replacement of the SOFTWARE PRODUCT, or the supply of an equivalent SOFTWARE PRODUCT;

the replacement of the Software or the supply of equivalent Software;

the replacement of the SOFTWARE PRODUCT or the supply of an equivalent SOFTWARE PRODUCT;

the replacement of the SOFTWARE PRODUCT or the supply of an equivalent SOFTWARE PRODUCT