So I simply need to collect the information from a HTML form I made and send it via an email. How can I achieve this? Do I need PHP or some stuff like that? What should I pu
PHP is certainly not the only way to send e-mail from a web form, but it is a very common method (especially for people creating their first form).
Here is one reference that may help you to get started, and explain why other methods (i.e. HTML-only, JavaScript) don't work for your needs:
http://www.html-form-guide.com/email-form/html-email-form.html