Upgrading your license
You can upgrade your license at any time by paying just the difference in cost.
First, access your GravityKit Account page.
On your GravityKit Account page. If you are able to upgrade, the upgrade options will appear on the "Your Licenses" tab, under "Upgrades". Click the link to upgrade.
Once you click the link, you will be taken to GravityKit's cart page.
You'll notice the upgrade price is applied in the cart.