help please

[canada321]

pls help me to choose the correct form (Application form(IM0008) for principal applicant)

1-http://www.cic.gc.ca/english/pdf/kits/forms/IMM0008ENU_2D.pd(Generic Application form for canada...5 pages)

or

2-http://www.cic.gc.ca/english/pdf/kits/forms/imm0008_3e.pdf..(IMM0008.SCHEDULE3...2PAGES)