1. On DriveHUD main window (upper-right part), Click on “UPGRADE“.
2. On the next pop-up window, enter your email address and your SERIAL / License. To learn more where you can find your serial, click here.
3. Click on OK.
4. If all went well, you should get a success message. Click on OK to close that window.
If you have any further questions or need any setup assistance, please contact support from this page: https://drivehud.com/support/