"Lite" ISOs are modified versions of the official Windows installer where non-essential features (like telemetry, extra apps, or certain background services) are removed to save RAM and disk space. Performance: A "Tiny" or "Super Lite" build can use as little as 800MB of RAM 6GB of disk space Safety Risk:

Microsoft released an official "Lite" version called .

Stop heavy programs from launching when you turn on the PC.

Direct Answer Downloading "lite" or modified ISOs of Windows 8.1 Pro from unofficial sources is and violates Microsoft's licensing terms. ⚠️ Major Security Risks

: A specialized version by "Den" that removes bloatware for maximum performance. Google Drive Public Links : Some community-hosted files like Windows 8.1 Pro X64 Lite PT-BR.iso are available, though they carry higher risk. Safety & Best Practices

I cannot link directly to copyrighted or modified ISOs, but search terms you might use (at your own risk) on or magnet forums :