If you’ve received a promotional code, sign up for free or log in to your account. Once you're logged in, click your early learning service's name in the blue bar at the top of the page to go to your early learning service profile page.
At the top, you'll see how many days left you have on your trial. If you've just signed up, you'll have 30 days.
Click 'Enter promo code', enter your code in the text field, then click 'Submit'.
The promo code will then be applied to your invoicing when you upgrade.