In idle states, the system can use as little as 336MB of RAM , compared to the 2GB+ typically required by standard Windows 10.
Here are some key features of Windows X Lite Optimum 10 Pro V5: windows x lite optimum 10 pro v5
You can selectively add back needed features (e.g., .NET Framework, printing, Bluetooth) via a post-install script, keeping the system minimal. In idle states, the system can use as