If you need further help with Destiny 2 Shadowkeep, check out our guides on Dead Ghost Locations, Jade Rabbit Locations, and Eyes on the Moon - How to Start Vex Invasion. Still, there’s really not a lot of stuff to do in the beta, so the initial time frame should be more than enough.
The beta will end on August 31st for everyone, unless Bungie decides to give it a few days more, like they did on consoles. Those who’ve preordered the game will be able to access the beta on August 28th, while the rest will have to wait a day longer.
Before you do any of the above, you’ll have to: If you’ve preordered the physical edition of the game, it’s a bit more convoluted.