But after his stunning defeat of Democrat Hillary Clinton in the bitterly contested presidential election, the NY real-estate mogul and reality-television star is due to take the oath of office at noon from Chief Justice of the United States John Roberts. Greg Lowery stood in as President-elect Trump with Army Spc.
The businessman's inauguration is set to be broadcast on telly this week - but where can you watch it and what will happen on the day? Some of the exact times have yet to be officially finalised, so treat these as a rough guide. But for his presidential inauguration, he is finding little love in return.
The forecast for when rain is most likely on Friday will come into better focus in the days ahead.
Congress could take a cue from Mr. Trump's approval ratings. Here's who you can expect to see (and who turned down an invite). President Barack Obama, meanwhile, drew in a crowd of 1.8 million people in 2009. President- Elect Donald Trump and Vice President-Elect Mike Pence will travel down Pennysylvania Avenue from the Capitol to the White House.
Alabama has been contributing to the Trump administration since the beginning. Washington Correspondent Robert Moore will also be on hand to provide analysis as Trump takes the Oath of Office. The president's term officially begins at noon Eastern time that day.
The inauguration will air live on WDHN Fri., Jan. 20, beginning at 10 a.m.
The message from Trump's team about reserving free inauguration tickets spoke about everything it entailed for Trump fans to get free inauguration tickets.
Then the new president be sworn in by the chief justice.
"The parade will be shorter than it's been in the past, because this inauguration is about getting to work", Boris Epshteyn, director of communications for the Presidential Inaugural Committee, told the Washington Examiner.
More than 40 House Democrats plan to boycott the inauguration.
Members of the public will line the street, so expect plenty of well wishers and protesters as well. "Voices of the People", the first act of a day-long public concert, will feature groups such as the DC Fire Department Emerald Society Pipes and Drums, the Republican Hindu Coalition, high school marching bands, choirs and baton twirlers.
The average temperature at noon on January 20 in Washington is around 37 degrees, the weather service said.