Any file claiming to be “Windows 7 Ultimate 64-bit — 10 MB” is . Here’s what it actually contains:
: These files are almost exclusively used as "wrappers" to deliver malware, trojans, or ransomware. Because a functional OS cannot be compressed by 99%, the file likely contains a malicious script designed to execute when you attempt to "decompress" it. Windows 7 Ultimate 64 Bit Highly Compressed 10mb
A clean, official installation ISO (disc image) of Windows 7 Ultimate 64-bit has the following approximate sizes: Any file claiming to be “Windows 7 Ultimate