Downloading a "highly compressed" version of Windows 7 (such as a ~10 MB file) is extremely risky
In the digital world, if something seems too good to be true, it almost certainly is. The "9.28 MB Windows 7" is a relic of an era of internet "optimization" scams. For a stable and secure experience, users should always stick to official ISO images, which, by necessity, will always be measured in gigabytes, not megabytes. Windows 7 Ultimate 64 Bit Highly Compressed -9.28 Mb
Result: A functional 64-bit Windows 7 Ultimate that fits in 4 GB ISO and 6–7 GB installed. Downloading a "highly compressed" version of Windows 7
Security Hazards: Unofficial, highly compressed ISOs are frequently laced with malware, ransomware, or clippers. Because they are modified, they often lack built-in security like Windows Defender or have their firewalls disabled by default. Pointers are 8 bytes instead of 4 bytes
Do not download or run such files. Always obtain operating systems from official, trusted sources.
, which is not physically possible for functional operating system files. Security Hazard