Trump habría consultado con algunos historiadores y en compañía de asesores ha analizado los discursos de otros presidentes. "Pero será un texto de Trump. Él lo está escribiendo, él lo edita y él lo corrige", dijo Sean Spicer, quien será vocero de la Casa Blanca.
Donald Trump taking oath on the Bible at the U.S. Capitol building in Washington, D.C.

At 12:00 p.m. local time (1700 ) on Friday,  took the oath of office and was sworn in as the 45th president of the United States in the nation's capital, 

Both the Obamas,  and , and other previous presidents were present.

 and his wife  were welcomed in the morning by outgoing president  and first lady . At 12:00 local time (17:00 ), Chief Justice  swore in Donald Trump as the new President of the United States. Donald Trump took his oath on the , and on his own bible that his mother had given him. Vice President  was sworn in on the  Bible.

After assuming the presidency, Donald Trump made his first speech as President of the United States, including the words "January 20, 2017 will be remembered as the day the people became the rulers of this nation again. The forgotten men and women of our country will be forgotten no longer."

Barack Obama left a letter to his successor on the nineteenth-century presidential desk in the  .