King James Version
That thou shouldest enter into covenant with the LORD thy God, and into his oath, which the LORD thy God maketh with thee this day:English Standard Version
so that you may enter into the sworn covenant of the LORD your God, which the LORD your God is making with you today,New International Version
You are standing here in order to enter into a covenant with the LORD your God, a covenant the LORD is making with you this day and sealing with an oath,