GOD'S WORD® Translation
What, then, is the purpose of the laws given to Moses? They were added to identify what wrongdoing is. Moses' laws did this until the descendant to whom the promise was given came to Abraham. It was put into effect through angels, using a mediator.

American Standard Version
What then is the law? It was added because of transgressions, till the seed should come to whom the promise hath been made; and it was ordained through angels by the hand of a mediator.

Berean Study Bible
Why then was the law given? It was added because of transgressions, until the arrival of the seed to whom the promise referred. It was administered through angels by a mediator.

Douay-Rheims Bible
Why then was the law? It was set because of transgressions, until the seed should come, to whom he made the promise, being ordained by angels in the hand of a mediator.

English Revised Version
What then is the law? It was added because of transgressions, till the seed should come to whom the promise hath been made; and it was ordained through angels by the hand of a mediator.

King James Bible
Wherefore then serveth the law? It was added because of transgressions, till the seed should come to whom the promise was made; and it was ordained by angels in the hand of a mediator.

World English Bible
What then is the law? It was added because of transgressions, until the seed should come to whom the promise has been made. It was ordained through angels by the hand of a mediator.

Young's Literal Translation
Why, then, the law? on account of the transgressions it was added, till the seed might come to which the promise hath been made, having been set in order through messengers in the hand of a mediator --

Galatians 3:19 Additional Translations ...