In order to apply for a bachelor's degree at the University of Algarve as an international student, you must have a recognized secondary degree, proof of language proficiency (either Portuguese or English), and submit your application through the university's online system during certain phases. You will typically need to use the results of exams from your home country (such as the ENEM for Brazilians) or specific entrance exams, along with important documents like transcripts, a secondary school statement, and an honor declaration. Program-specific requirements differ; for more information, see the course websites.