How do you send the form link without asking the recipient logging details

You can send the form via email, simply click in the publish button once there you will get a window with the direct link to your form, there you can copy the link or share it using the method you prefer, here is an image about it as well:

The person with the direct link will not need to provide login credentials, she can fill the form and submit it without any problem.

Hope this helps.