Yes you need to give bank statements and show the funds for the entire duration of the education. Tuition, living exp and flight tickets money also. Give Bank, CA certificate. If its coming from parents then their bank statements and letter of consent(gift deed) etc. Search on youtube, in this forum and google. You will find sources. Whatever you can please do, application will be stronger.
And if you are applying for Jan 22, please do it faster. Applications are taking time to get approved.