: The modern way to play Halo: CE is through the Master Chief Collection on Steam or the Microsoft Store. It includes the "Anniversary" edition with remastered graphics and the ability to toggle back to the original 2003 visuals.
: If you have a Game Pass subscription , the entire Master Chief Collection —including Halo: Combat Evolved —is included at no extra cost. Halo Infinite (The Free-to-Play Option) halo-combat-evolved-pc-game-free-download
While the original 2003 PC version of is not officially available as a free standalone download from Microsoft, there are legitimate ways to play it on your computer today. Official Ways to Play : The modern way to play Halo: CE