Renewal of license will add another year to your license validity. If you want to renew your license, make sure to log into your account first and follow these steps:
Step 1: Click on Purchase History and then click on View Licenses of the relevant purchase.

Step 2: Go to the expiration tab and renew your license from there.
Step 3: Fill out the details and complete the payment by clicking on the Check-out button.
Step 4: Your license will be renewed