Guides

How Windows’ built-in compression works on games, and how to use it by hand. No app needed to follow them.

• How to shrink installed Steam games with Windows’ built-in compression (compact.exe)

  Step-by-step commands to compress a game folder with compact.exe, check the result, undo it, and the caveats that matter: updates, already-compressed assets and anti-cheat.

• LZX vs XPRESS for games: which Windows compression algorithm to pick

  What XPRESS4K, XPRESS8K, XPRESS16K and LZX actually do, the CPU versus ratio trade-off, real LZX results from four Steam games, and why some games barely shrink.