The official PC versions of Resident Evil 4 (both the Ultimate HD Edition and the Remake) are available on Steam. Valve frequently runs seasonal sales where the classic version drops to under $5 USD. 2. Digital Retailer Bundles
Files claiming impossible compression levels are often used to hide viruses or "miners" that slow down your PC.
Highly compressed games often use generic packers that antivirus software flags as false positives. Disable Windows Defender or your third-party AV only during the extraction process—but be absolutely sure you trust the source.