What do i need to obtain copy of marriage certificate

I need to obtain a certified copy of my marriage license, how do I do that online?

I need a copy of my parents marriage license from August 1957. Can you tell me how I can get this?

I need a copy of my marriage license back on 1980 or 1991 for my Social Security I think that's back on March name Chris Ciak and Mercy Ciak

I need to obtain a certified copy of my marriage license,

I need a copy of my marriage licenses how do i get one .please and thank you