Where did Moses meet God to receive God's laws?

No doubt it was the same Law God had given to Abraham - the ultimate example of true obedience to the law which God would say, Abraham 'kept my requirements (mismarti), my commands (miswotay), my decrees (huqqotay) and my laws (wetoratay) Genesis 26:5.

Now compare the Law given to Moses in Deuteronomy 11:1, 'Love the Lord your God and keep his requirements (mismato), his decrees (huqqotayw), his laws (mispatawy) and his commands (miswotayw)'...