The original CPY ISO (cpy-efpes2021.iso) was roughly 38.6 GB , matching the official system requirement of approximately 40 GB of storage space. Why This Game Persists

Many fans consider this the final "authentic" entry in the series before it shifted to the eFootball platform, which was met with mixed reviews due to its change in gameplay feel and monetization.

Because the game was built on a stable, well-understood engine, the modding community has kept it alive with massive patches (like SmokePatch or VirtuaRED) that keep rosters and graphics current long after Konami stopped official updates. Ethical and Technical Risks

Released by in September 2020, eFootball PES 2021 was not a brand-new game but a "Season Update" . It utilized the same engine and mechanics as PES 2020 while updating rosters, kits, and player stats. This was a strategic move by Konami to focus development resources on their next-gen transition to the Unreal Engine for what would eventually become the free-to-play eFootball . The CPY Release and Digital Piracy

Torrents from unverified sources can contain malware or miners bundled with the game files.