: Microsoft skipped the version number to emphasize that Windows 10 was a "major step forward" rather than an incremental update.
If you find a website offering a “Windows 9 ISO image download,” you are almost certainly downloading one of the following: Windows 9 Iso Image Download
Some sites host blank ISOs or renamed files (e.g., changing a .txt file to .iso ) designed to waste your time. : Microsoft skipped the version number to emphasize