True file compression reduces file sizes by removing redundant data, but it has strict mathematical limits. The 573 MB .epub file is fake for three definitive reasons:
I can provide a list of verified, highly-rated tactical shooters that safely fit your system limits. Battlefield 3™ on Steam
Downloading Battlefield 3 Highly Compressed (573 MB): Reality vs. Risks Battlefield 3 Highly Compressed Pc Games -573 Mb-.epub
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Then he saw the link: Battlefield 3 Highly Compressed PC Games -573 Mb-.epub True file compression reduces file sizes by removing
Instead of relying on potentially unsafe, ultra-compressed files, there are better ways to get the game:
Are you trying to find the for Battlefield 3? Risks This public link is valid for 7
However, even professional repackers have limitations. As noted by technical developers, using standard compression methods (like FreeArc or Brotli), shrinking a game from 100 GB down to 50 GB is difficult; extreme reductions are rarely achievable without removing core game content. If a 573 MB download claims to unpack into a fully functional 20 GB Battlefield 3 , it is almost certainly a bait file.
: The actual install size of Battlefield 3 is at least 20 GB for the base game and can reach over 34 GB with all DLCs. Compressing 20,000 MB of data down to 573 MB (a 97% reduction) while keeping the game functional is technically impossible for modern high-fidelity games.
Example command for 7-Zip: 7z a -mx=9 -mfb=273 -ms=on -md=1536m -mmt=on BF3_Compressed.7z "Battlefield 3 folder"