http://www.databasecompare.com/faq/purchase_license.html purchase_license http://www.databasecompare.com/Which-license-is-best-for-me.html One single license of D-Softs Database Comparer can be used on one computer by one user only. If you want to use it for a group, you need to purchase more, of course there will be a discount for you. http://www.databasecompare.com/Can-I-try-before-buy.html Yes, of course you can. There is a free 15-day trial. http://www.databasecompare.com/Can-you-provide-me-the-price-of-different-kinds-of-licenses-for-each.html Of course. You can take a look below or find the detail in the buy page: http://www.databasecompare.com/How-will-you-deliver-the-software-to-me.html You can download it free from our website. After you paid for the license, you will get the register code from our e-mail. http://www.databasecompare.com/How-to-activate-the-D-Softs.html To activate D-Softs Database Comparer successfully, you can go through the following steps. http://www.databasecompare.com/How-can-I-get-technical-support.html When you get technical problems, you can try to find the answers in the FAQ page. If there's no solution for your question, please feel free to contact us online. We'll give you a reply within two workdays.