How Were Old Testament People Saved - Quick & Clear Bible Study

Were the Old Testament people saved the same way as we are today?

Verses used in this Bible study:
John 3:18,10
Hebrews 10:4
John 1:29,40,41
John 3:36
John 4:42
Matthew 16:15
John 20:31
John 8:56-58
Genesis 18:1,33
John 1:18
Jude 1:14,15
Romans 4:1-5
John 12:44
Acts 10:43