Exodus 19-20 (The Daily Walk Bible).
Did you realize that 9 of the 10 commandments are repeated in the New Testament? The only one that isn’t is the one about keeping the Sabbath. We are still called to worship, both privately and corporately, but the Sabbath itself was for Israel (Exodus 20:12 “Moreover, I gave them my Sabbaths, as a sign between me and them, that they might know that I am the LORD who sanctifies them.”)
If you would like to know more about the traditional site of Mt. Sinai, check out: Jebel Musa – Mt. Sinai (BiblePlaces.com).