What are the visa & residency requirements in New York City?

"In order to obtain a visa to live and work in New York, applicants must first submit an application to the United States Citizenship and Immigration Services (USCIS). This application must include proof of identity, proof of financial support, and a valid passport. Once the application is approved, the applicant will receive a visa that allows them to enter the United States. In order to apply for residency in New York, applicants must first submit an application to the USCIS. This application must include proof of identity, proof of financial support, and a valid passport. Additionally, applicants must provide evidence of their employment or educational status in the United States. Once the application is approved, the applicant will receive a green card that allows them to live and work in the United States," mentioned another expat when asked about moving to New York, the United States.