Late, but probably helpful-
From:
XBOX
Q. When I buy/redeem the Destiny Digital Base Game or Expansion Pass for Xbox 360, how do I get the free Xbox One version?
When you buy/redeem the Destiny Digital Base Game or Expansion Pass for Xbox 360 on or before January 15th, 2015, you can download the Xbox One copy from the Xbox Store for free by doing the following:
- Log into your Xbox One using the same Microsoft Account (Xbox Live Account) used to buy/redeem the Destiny Digital Base Game or Expansion Pass on Xbox 360.
- Navigate to the digital content’s location in the Xbox Store.
- Add the item to your download queue and wait for the download to complete.
Expansion Pass content (which includes Expansions I and II) will only be available for full download once released.
Q. When I download the free Destiny Digital Base Game for Xbox One, will I still be able to play it on Xbox 360?
Yes. Your Microsoft Account (Xbox Live Account) will retain licenses for both consoles.
Q. When I buy the Destiny Limited Edition or Destiny Ghost Edition on Xbox 360, will I also be able to download the Xbox One version of the Expansion Pass that comes with it for free?
Yes, when you buy the Destiny Limited Edition or Destiny Ghost Edition on Xbox 360 and redeem the Expansion Pass by January 15, 2015, you will also be able to download it on Xbox One by doing the following:
- Log into your Xbox 360 and redeem the token for the Destiny Expansion Pass on Xbox Live on or before January 15, 2015.
- Log into your Xbox One using the same Microsoft Account (Xbox Live Account) used to redeem the Destiny Expansion Pass on Xbox 360.
- Navigate to the Expansion Pass within the Destiny content page in the Xbox Store.
- Add the item to your download queue and wait for the download to complete.
A physical or digital Xbox One version of the Destiny game will be required to play this content on Xbox One, sold separately.
Expansion Pass content (which includes Expansions I and II) will only be available for full download once released.
MY GUARDIANS, STATS AND GEAR
Q. Will my Guardians, progress, stats, and gear carry over when I download and play the next-gen version?
Yes. Whether you participate in this program or not, your Guardians, progress, stats, and gear are shared within a console family (PlayStation®3<->PlayStation®4 or Xbox 360<->Xbox One) and will be waiting for you when you transition to next-gen.