Click the links below for the (free) full text to the various books.
Bereishis (Genesis), Shemos (Exodus), Vayikra (Leviticus), Bamidbar (Numbers), Devarim (Deuteronomy)
Yehoushua (Joshua), Shoftim (Judges), Shmuel (Samuel), Melachim (Kings), Yeshaya (Isaiah), Yirmiyah (Jeremiah), Yechezkel (Ezekiel), Trei Asar (Minor Prohphets)
Tehillim (Psalms), Mishlei (Proverbs), Iyov (Job), Shir Hashirim (Song of Songs), Ruth (Rus), Eichah (Lamentations), Koheles (Ecclesiastes), Esther, Daniel, Ezra-Nechemya (Ezra–Nehemiah), Divrei Hayamim (Chronicles)
Volume 1, Volume 2, Volume 3, Volume 4, Volume 5, Volume 6