You can find the expiration date of your license key in Permalink Manager settings (“Tools -> Permalink Manager -> Settings -> Licence key”):
If you renew the license before it expires, the key will be prolonged for one more year starting from expiration date. For instance, if you renew it on November 10, 2018 and it is valid until December 15, 2018, the new expiration date will be December 15, 2019.
To renew the license key, please go to following page
Please copy & paste the full license key from the “Licence key” input field in Permalink Manager settings:
After you press Submit button, a information page will be displayed where you can find a unique link that would allow to extend your license key. After it is clicked, a popup with a checkout form (handled by Paddle) will be displayed.
After the payment is completed your license key will be automatically prolonged.