You can activate CorelDRAW X6 with one product key a total of 5 times.
If you have activated your CorelDRAW X6 with your product key a total of 5 times already, you can't activate it anymore. You may experience one of the following situations:
1) The software says, "the product key is invalid" during the CorelDRAW X6 installation, or
2) After 30 days of activation, a warning message will pop up saying: "the trial period is over". This will be followed by a software lock out.