Go to your wi-fi settings make sure you pick PWAStudent now it will ask you for "Identity" and "Password" so put your information like so
Enter Password: TafeDD/MM/YYYY
Note your password would be your date of birth with the included Tafe at the beginning make sure Tafe start with capital T. This password will only work if you have not change your password. Your "Identity" is your student ID.
PS: if you change your password from the campus computer or office 365 email that will be your wi-fi password as well.