The Database Tour and Database Tour Pro are shareware with 24 day trial period. During the trial period, you may use it without any limitations. After the trial period, it must be registered for further legal use. If you do not want to register the software, it must be removed from your computer immediately after the trial period ends.
To register the application, you must purchase one or more Database Tour (Pro) licenses.
If you have Internet connection
If you have Internet connection on the computer, where the Database Tour (Pro) is used, you can purchase it directly from the application by choosing Help | Buy/Register... and clicking Buy Now.
If you do not have Internet connection
If you do not have Internet connection on the computer, where you use Database Tour (Pro), you can purchase it using browser on another computer which has the Internet connection. This can be done on Database Tour web site, Ordering page:
On this page, you can also find the information about current prices, discounts, and purchase and registration instructions.
After purchasing, activate the software by choosing Help | Buy/Register..., clicking Activate your license, then Activate offline and following the instructions on the screen.
The answers on some purchase and post-purchase questions can be found in Database Tour FAQ: