343 announced this week those part of the Insider program will be able to test content for Halo 2 and Halo 2 Anniversary for The Master Chief Collection, and it starts on PC today. If you’re part of the Halo Insider program, you will be able to play the new build. If you aren’t an Insider, and want to test it and upcoming Halo titles, you can sign up through here. testing will conclude on April 27. To see this content please enable targeting cookies. Manage cookie settings — Tyler “Postums” Davis (@343Postums) April 16, 2020 Last month, Halo: Combat Evolved Anniversary was made available in Halo: The Master Chief Collection for PC after testing concluded. It is available through Steam, Xbox Game Pass for PC, and Windows 10. At present, it also includes Halo: Reach and will automatically update with the remaining titles throughout the year once available.