The UBC undergraduate faculties have advisors who deal specifically with international students and your academic concerns. Faculties and departments usually also have academic advisors who advise all UBC students on academic matters. Both can help you register for courses, select your major, get along with professors, and many other academic matters.
Important changes are coming to UBC’s wireless connection. Renew your WiFi by May 9. https://www.it.ubc.ca/autoconnect-sc