To upgrade your subscription;
If you're using the free version, simply click on Upgrade button on the left menu and see all of the features and their availability across our plans.
If you've already subscribed to a plan (Lite / Premium), you'll be asked for an upgrade when you attempt to use a feature that is only available on the upper plan. Or if you have an active offer for an upper plan, you can simply click on the green offer bar on the top of your screen.
To downgrade your subscription;
You need to go to the Settings page (https://direcon.com/settings/account-settings)
You need to click on the Edit Subscription button next to the your current plan info.
Then you can click on Downgrade Now button.