I am new to drupal. I want to create a popup form with Name,Email Fields,Download and close button when user click the download link the popup form want to display then user give the name and email after the validation the file have been download by user and also how many user have downloaded how can i dot his

I am new to drupal, and I want to create a popup form with with form fields for name and email, and a buttom to download and to close the popup.

When users click on the download link, the popup form appears; users enter their name and email address; once the data have been validated, the users can download the file, and see how many users downloaded it.

How can I achieve this.