Using a "highly compressed" OS from an unofficial source carries several critical risks: Security Threats: These ISOs are often injected with malware, keyloggers, or backdoors since they come from unverified third-party uploaders. System Instability:

: You can create a bootable USB or DVD for a clean install using the Media Creation Tool .

Stripping core Windows components can lead to driver incompatibilities, "fragmented" files, and errors when trying to install modern software or games. Safer Alternatives For users needing a legitimate and safe installation, Microsoft's official download page

While controversial, tiny10 (based on Windows 10) and tiny11 (based on Windows 11) are non-commercial projects that achieve similar sizes (1.5GB) stripping core services. They are not "highly compressed repacks" but rather "custom ISOs" with components removed via NTLite. Note: Still legally gray, but far more transparent.