In order to update your license, you need to re-install it from your license manager, available through the "Help menu" from Pixyz Review. 

Online License

If it's an Online License, log-in and click on "Reinstall" on the right line

Offline License

If it's an Offline license, you will need to re-install the license from our website.

License server (floating)

If you use a license server to get a floating one, check with your administrator if you need to update it.