Once you are the beneficiary of an approved immigrant petition and an immigrant visa number is immediately available to you, there are two ways to apply for lawful permanent resident status (a| USCIS
What is the National Visa Center and how does it help with immigrating to the U.S.? | travel.state.gov
Use this form if you (the petitioner) are a U.S. citizen, lawful permanent resident, or U.S. national and you need to establish your qualifying relationship with an eligible relative (the beneficiary) who wishes to come to or stay in the United States permanently and apply for the Permanent Resident Card (also called a Green Card).| USCIS