Obtaining a green card can be a complex process, and there are several ways to qualify. Some common ways to qualify include:
1. Being sponsored by a family member who is a citizen or permanent resident of the United States
2. Being sponsored by an employer to work in the United States
3. Being a refugee or asylee seeking protection in the United States
4. Being a victim of certain crimes or human trafficking and cooperating with law enforcement
5. Winning the diversity lottery, which is a lottery program that allows a certain number of people from countries with low rates of immigration to the United States to apply for a green card