The M9 build specifically focuses on removing unnecessary background processes, telemetry, and bloatware that typically bog down the standard Microsoft release. By stripping away non-essential features like Cortana, the Microsoft Store (often optional), and various tracking services, DR Lite M9 achieves a significantly smaller disk footprint and lower RAM usage. Key Features of Win10 DR Lite M9
If you need a legal lightweight Windows, consider: Win10 DR Lite M9 - Google Drive