Studying in italy as an international student

Hi everyone i am a fresh graduate from high school , got my degree in physics but i am intrested in psychology and i think that italy is the best destiny but i dont know anything about the process , what do i need ? How much money ? Bank blocking , and scholarships? I need a scholarship, where can i find it ? and i heard that there was a test called TOCE i don’t remember the name , but any info will helpful:)