Repackers use aggressive algorithms (like LZMA, Zstd, or proprietary tools) to find and compress repeating data patterns.

To ensure a secure installation with the best performance, it is recommended to use official digital storefronts. While the full game requires approximately of hard disk space, these platforms use modern compression for the initial download to save time. Official Download Options

You can often find the game for a very low price or even free through official channels: BioShock Infinite: PC System Requirements - 2K Support

: Popular "repacks" (highly compressed versions) can reduce the initial download size to approximately 12.4 GB to 14.5 GB .