From the dashboard, make sure you're signed in to your account. Click on the Upgrade button on the upper right corner to quickly access the Purchase Subscription page.
On this page, you can see all of your active Subscriptions on Castr, along with the usage quota you currently have for your plans.
If you want to upgrade or change to a different plan, click on the Change button on the right side of the dashboard.
If you cannot find a suitable plan for your business, please get in touch with our support team to get a custom plan. We're always happy to help!