At 12:01 a.m. local time, more than 10,000 stores around the world will begin selling the new game console.
The new console will have the same on sale date in all 13 launch countries.
Microsoft has announced the Xbox One will be on sale in the UK a week before Sony's PS4.
The device will now feature a 1.75GHz processor, up from the 1.6GHz chip initially planned for the Xbox One.
Microsoft's next-gen console will initially be available in 13 countries: US, UK, Australia, Austria, Brazil, Canada, France, Germany, Ireland, Italy, Mexico, New Zealand, and Spain.
As expected, Apple sends out invitations for an event early next week where it will likely introduce new iPads and Macs.
Apple is making an announcement on Tuesday 22 October -- probably trumping Nokia and Microsoft in the process.
According to AllThingsD, Apple will be holding its separate iPad announcement event later this month.
Apple is said to be holding a special event in two weeks, where it will unveil new versions of the iPad and formally debut the Mac Pro and OS X Mavericks.
Just 36 hours after its debut, iOS 6.1 had already been installed by almost a quarter of the 13 million iOS users tracked by Onswipe.