To upgrade your existing Business Plan to an Enterprise Plan:
Once logged in, if you are on the Syngrafii Application Homepage, click on Subscription under the Subscription tab.
Or from any other page, click your name on the top-right corner, and click Subscription.
On the Subscription page, you will see the upgrade available to you on the right panel. Click on the Upgrade Your Plan button.
The Select Your Plan window is displayed, showing you the available plans to choose from.
Select your plan and click on Preview.
A window pops up showing you your current plan and the plan you are upgrading to. Click on Upgrade to upgrade your plan.