The concept of is a digital mirage. While the idea of downloading a full operating system in seconds is appealing, the technical limitations of data compression make it impossible.
Standard Windows 10 ISO files are roughly 5GB because they contain multiple editions, drivers, and extensive system resources. A "highly compressed" version achieves a 100MB size through two primary methods: windows 10 highly compressed 100mb
Tiny10 (by NTDev) is a legitimate reduced Windows 10, but it is ~3GB compressed , not 100MB. The concept of is a digital mirage