The Law of Moses has many prohibitions, not just four.
As concerns the "Thall Shalt Nots", to which I assume your question is going, there are actually five:
Thall Shalt Not Kill
" " Commit Adultery
" " Steal
" " Bear False Witness
" " Covet
Moses did not have a "stepfather-in-law" since his wife, Zipporah, never had a stepfather. Moses' father-in-law was Jethro.
No they were not given to Moses.
The Law of the Hague
Jethro, Moses' father-in-law, was affiliated with the religion of Midianism.
The five books of Moses, especially the last four, Exodus, Leviticus, Numbers and Deuteronomy.
Moses was in Egypt, his wife and children might have been there or with Moses' father in law.
Generally attributed to Moses. It was Jehovah who gave it.
The Law of Moses was given as a preparation for the coming of Messiah, which we know now is Jesus Christ. The Law was given to show their sin and their need of a Savior.
his brother in law.
The Ark
Moses
5 books of the law of moses