Decompressing 15GB of data into 35GB is a CPU-intensive task. On mid-range systems, an installation can take several hours, sometimes longer than the download itself.
Pre-rendered cinematics, which often make up a large portion of modern game sizes, are frequently downscaled or re-compressed to save gigabytes of space.
These versions often include all DLC, such as the Deathmatch Made in Heaven and Painful Memories packs, as noted on the Max Payne 3 Steam page . Technical Challenges and Risks
In regions with unstable internet connections, smaller parts are easier to manage. If a download fails, the user only loses 600MB of progress rather than the entire 15GB.