When you upgrade to quarterly payments, you are charged every 3 months, and you get 1 month free.
When you upgrade to yearly payments, you are charged every 12 months, and you get 2 months free.
Follow these steps to upgrade your account:
• Log in to your account
• On Your Dashboard page click the “My Account” button
• Click Subscriptions
• Click Change Plan
• Chose the new plan your want and hit “Select Plan”
You’ll see a pro-rated amount for the amount you’ve paid on your current plan plus the new term and then the amount for each billing period thereafter.