[Hoodat]

God told Adam and Eve that if they sinned, they would die. They sinned, and obviously did not die physically.

Actually, they did die physically, just not right then. There's no telling how much time passed from the creation until Adam/Eve ate the fruit. But at that instant, they transformed from immortal to mortal.

[GiovannaNicoletta]

Exactly.

Sin brings spiritual death and that is what happened to Adam and Eve.