Smaller installers take up less space on your drive until they are ready to be installed.
If you are installing a file like s1mp64shipexe from a repack, follow these standard community guidelines: How to Install Any Game from Game Repack Correctly (2025) s1mp64shipexe repack
This suffix usually identifies a "Shipping" build—a finalized version of a program intended for end-users, stripped of debugging code to improve performance. Smaller installers take up less space on your
Repacks usually include the base game, all released DLCs, and the latest patches in a single package. Installation and Safety all released DLCs
Games today can exceed 100GB; a repack can often shrink that by 50% or more.
To understand this specific file, it helps to break down the naming convention often used in these circles: