If you need a lightweight Windows, consider:
Bottom line: Oprekin is not recommended. No independent security audit exists. Stick with official Microsoft builds.
Standard Windows 11 is heavily integrated with Microsoft's data collection services.
If you like the idea of OPREKIN but not the risks, do this instead:
This gives you 90% of the performance of OPREKIN Lite without losing security or updates.
The standard Windows 11 runs over 200 services in the background, many of which are non-essential for home users (e.g., "SysMain," "Windows Search," and specific telemetry services).
Microsoft collects telemetry on everything—keystrokes, app usage, location. You can disable some via settings, but many return after updates.