what oath does the president take

The President of the United States takes the following oath of office as specified in Article II, Section 1, Clause 8 of the U.S. Constitution: "I do solemnly swear (or affirm) that I will faithfully execute the Office of President of the United States, and will to the best of my ability, preserve, protect and defend the Constitution of the United States." This oath must be taken before the president can execute any official duties and is traditionally administered during the inauguration ceremony, usually by the Chief Justice of the Supreme Court. The oath signifies the president's commitment to uphold the Constitution and faithfully perform the duties of the office