AstroK Software products are all sharewares. It means that you can fully try them for a short period of time, but if you want to use all the features of the softwares, you have to buy a license. When you buy a license, you will received a serial number that you can enter in the preferences of the application. Once registered, you will immediately be able to fully use your software.

The first one is to push the button "Buy a license" in the registration window. A new window will open and offer you to buy a license directly from within the application.

A valid credit card number is required to buy the license. The payment solutions are provided by Kagi and are fully secured. For more information, please refer to the Kagi website.