Technically, Windows 7 Ultimate 64-bit requires approximately 3.5 GB to 4 GB of space for its installation media. To compress this down to 10MB would require a compression ratio of roughly 350:1.
These files often contain hidden scripts that give attackers remote access to your webcam, files, and passwords [4]. Ransomware: windows 7 ultimate 64 bit highly compressed 10mb best new
Some community projects (like Tiny7 or Windows 7 Superlite) remove: Ransomware: Option B: Windows 7 Lite / Tiny7
Downloading a "highly compressed 10MB" Windows 7 ISO is highly discouraged and passwords [4].
The consequences, however, are rarely benign. Files claiming to be “Windows 7 10MB” are almost universally malware vectors. Analysis from cybersecurity firms like Kaspersky and Malwarebytes has repeatedly found that such downloads typically contain:
How to Download and Install Windows 7 Ultimate 64 Bit Highly Compressed 10MB