First, log in to your Admin account. Use the same username and password you used when you first got your subscriptions. After that, click on your profile name. A drop-down menu will appear. Look for and click on 'Billing'.

In the 'Billing' section, find the subscription you want to change to yearly. Click on it.

Next, click on 'Edit Subscription'. Then, follow these steps: Click on 'Change', then 'Yearly', and finally, 'Update'.

Your subscription will be updated to a yearly plan by itself.