After you have bought the program you will get serial number for register your copy of xBaseView by choosing menu "Internet"->"Registration". Then you need to send email to activate the program by choosing "Internet->Activation". You need to send your info about your computer (RegEmail, SerNum and HardwareID). You will get *.REG file in response of your email.
Now you can activate your program by double-click on REG file. Thank you!