https://www.gamespot.com/articles/destiny-2-free-trial-demo-for-pc-ps4-and-xbox-one-/1100-6455207/

Those who have yet to pick up Destiny 2 will be able to try the game on any platform starting this week. A demo is on the way in the form of a "free trial" that provides a taste of both the PvE and PvP components of the game, Activision has announced. [Update: The free trial is now available on all platforms.]