Reputable repackers provide checksums to verify that the files haven't been tampered with.

titles on PC have been known to have security flaws that allow hackers to remotely access a player's computer. While Steam has issued patches for these, unofficial or pirated versions may not include these security updates. Cryptojacking:

: If the game files remain compressed after installation, your PC must decompress them in real-time, leading to poor performance and long loading screens.

: Compressing a game from 12+ GB to under 100 MB is technically impossible without removing nearly all game assets (graphics, sound, etc.), making the game unplayable. Official and Safe Ways to Download

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