You can upgrade your Standard subscription to the Premium subscription from the "Subscriptions" area in the right sidebar of your Dashboard.
First cancel the Standard subscription
Then, subscribe to the Premium subscription from here:
https://www.passkeyonline.com/user_catalog_subscription/show/410?title=Premium-Subscription
If you decide to upgrade, inform us at [email protected] and we will inform you if you qualify for a refund depending on the date of the upgrade.