---------- Post added 15-11-2019 at 20:17 ----------

Quote Originally Posted by Xbox
On December 3rd you’ll have a few different avenues to obtain Halo: Reach depending on your platform of choice and whether you already own Halo: The Master Chief Collection (MCC).

THE HALO SAGA BEGINS ON PC

XBOX GAME PASS FOR PC (BETA)

Subscribe to Xbox Game Pass for PC (Beta) and get Halo: Reach, the first chapter in Halo: The Master Chief Collection, on December 3rd.
Halo: Combat Evolved, Halo 2: Anniversary, Halo 3, Halo 3: ODST (Campaign) and Halo 4 are also included in your subscription with each game delivered over time, completing the collection in 2020.

MICROSOFT STORE & STEAM

Halo: Reach is the first title to come to PC as part of Halo: The Master Chief Collection with the remaining titles (Halo: CE Anniversary, Halo 2 Anniversary, Halo 3, Halo 3: ODST Campaign, and Halo 4) coming over time through 2020.
Halo: The Master Chief Collection is available for pre-order ($39.99USD) which includes Reach beginning Dec. 3 and will automatically update with the remaining titles as they launch next year. Halo: Reach, and the remaining titles within MCC for PC, can also be purchased à la carte ($9.99USD).

XBOX ONE: IMPROVED, REFRESHED AND BETTER THAN EVER

For existing owners of MCC on Xbox One, the Halo: Reach Campaign, along with Firefight, will be available as a premium add-on ($9.99USD). The multiplayer components of Halo: Reach – including PVP modes, Forge, and Theater – will be automatically included as part of the base content offering of MCC at no additional cost via a game update.
If you’re new to MCC on Xbox One, you can obtain the entire updated and improved collection via Xbox Game Pass or purchase via the Microsoft Store. Beginning today, Halo: The Master Chief Collection is available for purchase ($39.99USD) and will include the totality of Halo: Reach (coming 12/3) as well as the Halo 3: ODST Campaign (previously only available as a premium add-on). Visit Xbox.com to learn more!
Halo: Reach Arrives December 3rd | Halo: The Master Chief Collection | Halo - Official Site