Log in to the User Dashboard to upgrade, downgrade, or cancel the existing license. Use the email you used to make your purchase and reset the password if needed.
Alternatively, you can use the checkout window to migrate a subscription to another plan. Go to the Pricing Page and select your desired plan. Click the Buy Now button, and a new popup window will appear.
Click on Renewing or upgrading? and enter the current license key. The price will be adjusted based on what you have already paid and the usage. Then you can proceed to payment.