Once logged in, select "Educator"

Now moving further, select as shown below or your may choose other options as well.

Now click on "Edit Profile"

Place your URL in the website field.

Your first URL is ready. Now click on "Stories"

Click on '+ Create Your First Story'

Now, select 'Blank'

You'll be taken to a page where you can write your content and place your contextual backlink.

Once done, click on "Share" button

Copy the URL and open it in a new window.

Voila! Your backlink is ready.