וַתֹּ֧רֶד מִיכַ֛ל אֶת־דָּוִ֖ד בְּעַ֣ד הַחַלּ֑וֹן וַיֵּ֥לֶךְ וַיִּבְרַ֖ח וַיִּמָּלֵֽט׃
So Michal let David down through the window; and he went, and fled, and escaped.
Read halakhic rulings (Jewish law) on I Samuel 19:12 from the Mishneh Torah and classical halakhic sources, free online.