Back to Key Generator, fill box 'Installation Code' (second box), type the code in Key Generator, without (-).
It will there 3 Box, Serial Number, Installation Code, Activation Code (this should bve empty).Then after it finish, open CorelDRAW X6, then it will show activation box, choose 'Other Activation Options', Phone corel.Open Key Generator and choose Corel Draw Graphic Suite X6 v 16.0 and enter theserial number that showed by Key Generator (copy) Ctrl+C and Paste Ctrl+V to serial number CorelDRAW X6, Note : Don't Close Key Generator.Click Install 'CorelDRAWGraphicsSuiteX6Installer_EN'.