[header] How to file for immigration [title] Determine if there is a visa available to you. [step] Before you can apply for a green card, there must be a visa available. The immigration and nationality act (" ina ") sets the number of visa that may be issued to those seeking permanent residence green cards. 
To determine if a visa is available to you, see the uscis's. [title] Determine the category under which you will get your green card.