Creation of 2 webforms on our Drupal website

Creation of 2 webforms on our drupal 7 website 1/ On our download page we want to add some downloadable documents, but to download certain documents (not all documents) the visitor needs to fill in a webform with following fields: first name, last name, street, house number, zip, city, phone, email, and captcha code (all this fields are requierd) So we have to able to define in the back-office which documents are downloadable with and without registration When the visitor submit the form: - the visitor will see a message: your are able to download the documents now. - The administrator will receive a notification mail with the content of the form - The administrator must be able to find all the registrations in the back-office with a field creation date and time. - Note that our website is in 3 languages, so we need to be able to translate all the fields and text 2/ Add on our contact page a simple contact webform with following fields first name, last name, email, a dropdownlist (that we can populate by ourselves), subject, message and a captcha code When the visitor submit the mail: - the visitor will see a message: your mail has been send succesfully - The administrator will receive a notification mail with the content of the mail - Note that our website is in 3 languages, so we need to be able to translate all the fields and text