Activating Premium on the Call Now Button WordPress plugin with an API key

Inside the Call Now Button WordPress plugin, go to Settings and make sure the "General" tab is open.

Look for Plugin type and set it to Premium and click Save at the bottom of the page.

Look for Option 2 in the notification box and click the link below it (https://app.nowbuttons.com).

If you already have a Call Now Button account, enter your details here to login.

If you don't have an account yet, click in the link below the big button that says Don't have an account? Sign up. Create an account with your email address and a strong password and click the Sign Up button.

Inside your Call Now Button account, click on the profile icon in the top right corner to open your account settings.

Click on API keys to expand the box and reveal the options.

Enter a unique name for your API key or accept the default value that's already added for you, and click Generate New API Key.

Copy the API key that's shown in the modal that appears on your screen.

Now go back to your WordPress admin settings and make sure you're still on the Call Now Button settings page. Inside the notification box, look for Option 2 again and enter the API key you've just copied into the field below it. (The field says Paste API key here.) No click Activate Premium next to it.