Halo: Combat Evolved Anniversary begins beta testing on PC next month - Polygon

343 Industries said in a forum post on Jan. 17 that beta testing for Halo: Combat Evolved Anniversary on PC would begin in February 2020, suggesting a full release is very soon.

Halo: Combat Evolved Anniversary PC Release Date May Be Announced Soon; New Teaser Shared

Steam Workshop::war

Halo: Combat Evolved

Street Writer: The Word Warrior: August 2014

Halo: The Master Chief Collection gets massive update with Xbox One X enhancements and more - Polygon

News - January, 2019

Assembling A Cathedral Out Of A Hurricane — The Making of Halo 2, by Andrew G.

Halo: Reach, Halo University Wiki

Halo: Combat Evolved Anniversary PC test starts in February

Halo: Combat Evolved Anniversary Insider testing begins on PC - Neowin

The Master Chief Collection, The Infinite Zenith

Halo: Combat Evolved Anniversary PC Performance Review with AMD Ryzen APU Testing - OC3D