Fans can watch a livestream of the event on the official YouTube channel of the royal family at 6:00 a.m. EST.
Cord-cutting fans will also be able to livestream the event through Hulu, People.com, websites for the BBC, The New York Times and other news organization apps such as the CBS News app, NBC News app and the Fox News Channel app.
The royal wedding will be broadcast across all major television networks.
Harry and Markle's wedding ceremony will be conducted by David Conner, the dean of Windsor, with Justin Welby, the archbishop of Canterbury, to officiate. The couple's bridesmaids and page boys for the event include 10 children no older than 7 including Harry's nephew and niece, Prince George, 4, and Princess Charlotte, 2 -- the children of Prince William and Kate Middleton. William will be present as Harry's best man.
Harry and Markle will be taking a carriage ride through Windsor after the ceremony beginning at 8 a.m. ET. A wedding reception will then take place at St. George's Hall at Windsor Castle. A private reception hosted by Charles will take place at Frogmore House later in the evening.
The wedding will also include Harry honoring his late mother, Princess Diana, by including her three siblings Charles Spencer, Jane Fellowes and Sarah McCorquodale at the event .Lady Jane will be giving a reading at the ceremony.