Searching for "Windows 11 highly compressed 500MB" usually refers to community-made "Lite" or "Tiny" versions of the operating system. While a standard Windows 11 ISO is typically around 5–6 GB , custom versions like

Almost all pre-installed apps (Calculator, Store, Xbox) and features like Cortana or Widgets are removed.

To get Windows 11 anywhere near that size, developers have to gut the OS. You’ll likely lose: Windows Update: Most ultra-lite builds cannot be updated. Security Features:

While Windows 11 officially requires at least of storage, modified "Ultra Lite" or "Tiny" versions exist that claim to be highly compressed to around 500MB to 1.6GB Microsoft Learn However, downloading such versions carries significant security risks Understanding "Highly Compressed" Windows 11