Yes, you may still have options to apply for a green card even after many years. If you have a U.S. citizen spouse, child over 21, or employer willing to sponsor you, that could open a path. The key is proving your lawful entry and finding the right qualifying relationship or category. 

You might be able to adjust status through family, employment, or certain humanitarian programs. It depends on your immigration history and any prior petitions filed on your behalf. 

If you overstayed or lost status, a waiver might still make your case possible. Some people qualify under older laws like Section 245(i) or through immediate relatives. You could also explore humanitarian routes if you’ve faced hardship or danger back home. It’s best to speak with an attorney before filing anything.