Each year, the U.S. Department of State runs the Diversity Visa Lottery Program. That program lets people from some countries apply to be a "Lawful Permanent Resident." That is what many people call "getting a Green Card."
You can enter the lottery if you are from an eligible country and you meet the educational or work requirements. If your entry is picked, you get the chance to apply to be a Lawful Permanent Resident.
But dishonest people might try to trick you. Learn the facts about the Diversity Visa Lottery Program. It can help you avoid these scams.