To upgrade to GlareDB Pro, click the Upgrade link at the top right of the page, or use the avatar dropdown menu to navigate to Settings > Manage plan.
From there, click the Upgrade button on the page to begin checkout. Checkout is handled through Stripe. After checkout success, you will be redirected to GlareDB Cloud. A Pro badge appears at the top right. No other actions are required: the benefits of GlareDB Pro are immediately available.