Kensington Palace have released an outline of the programme for the wedding of Prince Harry and Ms. Markle on Saturday 19th May 2018.
Big screens, on the Long Walk and in Alexandra Gardens, will be showing live footage of the wedding and Procession.
The town centre will be decorated with bunting and ceremonial banners along parts of the Procession Route and food stalls and facilities will be available.
Viewing areas exist along the whole Procession Route (Castle Hill, High Street, Sheet Street, Kings Road, Albert Road and the Long Walk).
Friday 18th May - The couple will follow tradition and spend the night before their wedding apart.
Ms Markle will be staying at a secret location
Saturday 19th May
09:00 - Members of the public who have been invited to watch the wedding day from the grounds of Windsor Castle begin to arrive.
09:30 -11:00 - Wedding guests arrive at the Castle's famous Round Tower by coach and enter the chapel through the South Door and take their seats.
11:20 - Members of the royal family begin to arrive and enter via the Galilee Porch, some on foot others by car.
11:45 - is when Prince Harry and his brother the Duke of Cambridge are expected to arrive on foot, walking past the thousands of spectators invited into the grounds of the castle, to the West Steps of St George's Chapel.
11:55 -11:59 - Her Majesty The Queen will, in accordance with protocol, be the last member of the Royal Family to arrive.
11:59 - Ms. Markle arrives at the Chapel's West Steps by car.
Her journey, from her overnight accommodation, will take her past some of the crowds in the Long Walk.
The Brides father Thomas Markle will meet his daughter at the West Door before the ceremony begins.
12:00 The wedding service starts
13:00 The Service ends and the newlyweds emerge at the West Steps of the Chapel.
They will be waved off on their carriage procession, through Windsor, by members of both families and guests.
After watching the newlyweds leave the congregation head to St George's Hall for a lunchtime reception hosted by the Queen.
13:05, (Approximately); The Carriage procession sets of on its journey through the streets of Windsor.
The Royal Borough of Windsor has said, work is well underway to ensure the occasion is a memorable and joyous one for all involved and they are working closely with a wide range of partners.
Rail operators will be putting on extra trains and there will be park and walk and park and float services to help people get into town. Visitors are encouraged to plan ahead and book all travel arrangements early so they can make the most of their trip.
Windsor is 30 miles (50km) West of London.
From London you can get to Windsor from both Waterloo and Paddington stations.
Trains from Waterloo to Windsor & Eaton Riverside Station depart every half hour throughout the day, hourly on Sundays.
The journey takes about an hour and 20 minutes.
Windsor & Eton Riverside - About a 10 minutes walk.
Trains from Paddington to Windsor Central depart every 10 to 15 minutes throughout the day.
The journey takes about 35 minutes. You have to change trains at Slough.
There will be extra trains and more frequent services on the day of Prince Harry and Meghan Markle's wedding in Windsor for members of the public who want to see the procession, rail providers Great Western Railway (GWR) and South Western Railway (SWR) have said.
Greenline bus number 702 leaves from Victoria Colonnades, near London Victoria Coach Station every half hour, approximately, during the day. The journey takes about an hour.
Windsor is accessible via the major motorway networks of the M3, M4, M25 and M40
The journey time from London is approximately 40 minutes and Heathrow airport is about 15 minutes away.
Parking throughout Windsor is controlled and quite expensive.
Another option is to use the Park and Ride services at Legoland Windsor or Windsor Home Park. Parking at Legoland is free.
Parking at Windsor Home Park is "pay and display". There is a small charge for bus fare.