Because ever since Satan was kicked out of Heaven, his goal is to get people to turn away from God. So Satan was just by the tree of good and evil waiting for one of them to come by so that he could trick them into eating from the tree.
God and Satan. Then, Eve.
The snake in the garden that god specifically told Adam and Eve to stay out of. The snake resembles satin.
Satan was present in the Garden of Eden because he wanted to deceive and tempt Adam and Eve into disobeying God, leading to their expulsion from paradise.
Satan infiltrated the Garden of Eden by deceiving Eve, who then convinced Adam to disobey God's command not to eat from the tree of knowledge of good and evil.
The Scriptue says there were Adam, then Eve both with God the Word and the serpent which represented Satan.
Satan never tempted Eve, a serpent did in the story of Adam and Eve.
According to the text of Genesis, Adam and Eve did not exist before the garden.
Satan
Adam and Eve were in the garden before they were expelled for an unspecified amount of time.
Adam and Eve wore clothes made of fig leaves in the Garden of Eden.
God had no need to tell Adam and Eve, because Satan had nothing to do with the Garden of Eden. The story of the serpent and Eve is simply a remnant of the former animistic beliefs of the Hebrew predecessors and bears a strong resemblance to stories in the Australian aboriginal Dreamtime stories. Satan never occurred in any biblical story written before the Babylonian Exile.
Adam and Eve stayed in the Garden of Eden.