How to choose standard plan for recaptcha

[tcrlr]

How to choose standard plan for recaptcha

Here is the plans for recaptcha

https://cloud.google.com/security/products/recaptcha?hl=en#pricing

I want to go for "reCAPTCHA Standard".

I created  "reCAPTCHA Essentials" and  manage recaptcha from for 

https://www.google.com/u/2/recaptcha/admin/site/xxx

and display key details at 

https://console.cloud.google.com/security/recaptcha/xxx

I used 4K of 10K so far. I enabled billing (free trial currently). 

And I created reCAPTCHA Enterprise

https://www.google.com/recaptcha/admin/enterprise

But I cannot find at anywhere where can I choose stadard plan for the google recaptcha product