Conditions for running for president in the United States: The president must be over 35 years old, have lived in the United States for more than 14 years, and be born in the United States or have American parents.
The presidential election is held on the first Tuesday after the first Monday in November of even-numbered years, and each term is 4 years.
The President of the United States of America (POTUS) is the head of state, head of government and commander-in-chief of the armed forces of the United States of America. He is sometimes called Mr. President, The Honorable and Excellency. According to the U.S. Electoral College system, the U.S. president is elected by the Electoral College, not directly by voters. The person who obtains more than half of the electoral votes is elected president.
The official residence of the President of the United States is the White House in Washington, DC. The White House is adjacent to Lafayette Square to the north, Alice Park to the south, and faces the towering Washington Monument. It is a white two-story building.
Baidu Encyclopedia - President of the United States