How can my girlfriend a green card or extension to get their work visa?

connection girlfriend: query confused : How can my girlfriend a green card or extension to get their operate visa How can my girlfriend a green card or extension for mine their work visa? girlfriends visa is up in two months. We strategy to get married. If we can extend their visa or perhaps they can get a green card? She is originally from Colombia. I do not know what to do or where they will get this information. I do not want to shed it requirements to return a lot of $ $ $ for them,

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