King James Version
Now therefore hearken unto their voice: howbeit yet protest solemnly unto them, and shew them the manner of the king that shall reign over them.English Standard Version
Now then, obey their voice; only you shall solemnly warn them and show them the ways of the king who shall reign over them."New International Version
Now listen to them; but warn them solemnly and let them know what the king who will reign over them will do."