Can't activate NOVA License

Hello Amy I am not able to activate my temp license.
I am receiving the following.

Failed to validate request because the time between server and client is not synchronized. Difference is < 639

Computer Id d4a3e4f64a9061c9cc2a6d01ec42ab3e

Please check that your computer is set to the correct date and time and time zone.

If the activation still fails, please send the computer ID & Computer name to and we will get you a manual key