It is also on the Official GT Sport Home page
http://www.gran-turismo.com/gb/news/00_5863055.html
p.s This is a great screen saver (full size) ^^^ 👍
Gran Turismo™ Sport
03/10/2017
Experience 'Gran Turismo Sport' Ahead of the Crowd with the Time Limited Demo, Starting 9th October
This is your opportunity to experience 'Gran Turismo Sport' one step ahead of its release on 18th October: a global Time Limited Demo will be available, starting on Monday, 9th October.
During this period, anyone can try the main features of 'Gran Turismo Sport'. Some of the save data from the Time Limited Demo can also be carried over into the final product version of the game.
[Time Limited Demo Details]
Participating Period
From 9 October 2017 @ 10:00 (BST) to 12 October 2017 @ 16:00 (BST)*
How to Participate
You can enjoy the Time Limited Demo by downloading the 'Gran Turismo Sport Beta Version' available on the PlayStation®Store from 7th October.
Content Playable (Some features will be limited)
・Sport Mode
・Campaign Mode
・Arcade Mode
・Lobby
・Scapes
・Livery Editor
・Social Features
Participation Bonuses
The following data content can be carried over to the final product version when it releases:
・In-game credits (up to a limit)
・Mileage points (up to a limit)
・Cars acquired (up to a limit)
・Online contents such as photos and livery set data shared in the game are also expected to be carried over into the final product version.)
Important Notes
・The Time Limited Demo requires a PlayStation®4 console and an online internet connection.
・You can enjoy online multiplayer even without a subscription to PlayStation®Plus.
・There may be some hours where gameplay is not possible due to server maintenance.
・Server maintenance information and other notices will be provided in the in-game news and on the official website gran-turismo.com.