Salvation from an Orthodox Christian perspective is life itself, and life more abundantly. Man is and always was meant to become like God, created in God’s image to attain His likeness.
Here is a short video detailing how the Orthodox understanding of salvation is different from that of Western confessions of Christianity (ie. Roman Catholicism, Protestantism):
Here is a brief video explaining why the Divine Liturgy is now our primary means of participation in salvation because of the Incarnation (God becoming man):