You may change your subscription (i.e. downgrade or upgrade) by yourself on your account page at any time.
1. On the left side of the screen, click “More“.
2. Click “Manage account”
3. This will take you to your account page. From here, click “My Subscription”
4. Click “View” on your active subscription.
5. Scroll down. Under “Subscription Totals”, click on “Change plan“.
6. Select the new plan you want to switch to, then click “Switch subscription“.
7. Proceed to checkout.
Both recurring payments and length are prorated, which means that you won’t waste money or time.