To become a licensed architect in most countries, you need a
professional degree in architecture. This is typically a
Master of Architecture (M.Arch) degree, although some countries may still accept a Bachelor of Architecture (B.Arch) degree. The specific requirements vary by location.
Crucially, after obtaining the degree, you'll also need to complete an internship and pass the Architect Registration Examination (ARE) in the United States (or equivalent exams in other countries) to become a licensed architect.