Here is how one numbers the commandments.
Deuteronomy 5:1 Here, then, Moses called the whole of Israel together, and said to them, Listen, Israel, to the observances and the decrees I now proclaim in your hearing; learn them well, and live by them.
I
2 When we were at Horeb, the Lord our God made a covenant with us,
3 such a covenant as he never made with our fathers, but kept it for us, who stand here, living men, to-day. ✻
The sense would seem to be that God’s covenant was made for the benefit of Moses’ immediate hearers, not for that of their fathers, who were now dead in the wilderness.
4 Face to face he spoke with us on the mountain, out of the flames;
5 and yet I must be your representative all the while, a mediator between the Lord and you to tell you what his commands were, such dread of those fires kept you back from the hill-side.
6 And thus he spoke: I am the Lord thy God, it was I who rescued thee from the land of Egypt, where thou didst dwell in slavery.
7 Thou shalt not defy me by making other gods thy own.
8 Thou shalt not carve thyself images, or fashion the likeness of anything in heaven above, or on earth beneath, or in the waters at the roots of earth,
9 to bow down and worship it. I, thy God, the Lord Almighty, am jealous in my love; be my enemy, and thy children, to the third and fourth generation, shall make amends;
10 love me, keep my commandments, and mercy shall be thine a thousand-fold.
II
11 Thou shalt not take the name of the Lord thy God lightly on thy lips; if a man uses that name lightly, he will not go unpunished.
III
12 Observe the sabbath day and keep it holy, as the Lord thy God has bidden thee.
13 Six days for drudgery, for doing all the work thou hast to do;
14 when the seventh day comes, it is a sabbath, a day of rest, consecrated to the Lord thy God. That day, all work shall be at an end, for thee and for every son and daughter of thine, thy servants and serving-women, thy ass, too, and thy ox, and all thy beasts, and the aliens that live within thy city walls. It must bring rest to thy men-servants and thy maid-servants, as to thyself.
15 Remember that thou too wast a slave in Egypt; what constraining force the Lord used, what a display he made of his power, to rescue thee; and now he will have thee keep this day of rest.
IV
16 Honour thy father and thy mother, as the Lord God has bidden thee; so shalt thou live long to enjoy the land which the Lord thy God means to give thee.
V
17 Thou shalt do no murder.
VI
18 Thou shalt not commit adultery.
VII
19 Thou shalt not steal.
VIII
20 Thou shalt not bear false witness against thy neighbour.
IX
21 Thou shalt not covet thy neighbour’s wife.
X
Thou shalt not set thy heart upon thy neighbour’s house or lands, his servants or handmaids, an ox or ass or anything that is his.
✻
See Ex. 20.2-17. The commandment which forbids a man to covet his neighbour’s wife here precedes all the other regulations about covetousness and is divided off from them in the Hebrew text as a separate commandment.