Initially we give 10 days trial version when you download the software. In this when you open the program, you will see the Software Key Number already written there. You don't need to enter Software Registration Number in demo version. Just click on Continue trial. In this box you will see a strip below indicating about the number of days left for trial. After 10 days, trial version expires and you have to purchase the original software.
If you have exceed trial limit than do't worry, just ask for one month trial registration number by sending your software key number.
After the Demo Version expires, once you make the payment, you need to mail/sms/call us to tell your Software Key Number. After getting Software Key Number from you, we will mail you the Registration Number (Licence Key) within 48 hours to complete the Registration Process.