the instructions for filing the I30 and I-485 are included with the forms.
the person who is going to fill out the I-130 is the US citizen. they must provide passport type pic of themselves and complete information.
the i-485 is ur responsibility. u must provide 2 passport photos, birth certificate, visa, passport, i-94 and other documents.
Stepfather completes I-864, Affidavit of support: birth certificate, current employment info, 3 years of tax transcripts, notarized
u complete I-693 -medical exam: 1 passport pic
There is more to the process but just to give u an idea of what to do. Call the immigration number and ask, ask, ask, and it is free. u dont' have to worry unless u let time expire or make a mistake so don't worry be happy and blessed.
u complete I-765 - employment authorization: 1 passport pic
there are other steps.
call the immigration toll-free number and ask questions. u should be ok, u are legal.

