: Download the official ISO and then compress it for storage only using standard archivers (7-Zip, WinRAR). But you cannot install Windows directly from a ZIP/7z archive.
The Official Microsoft Windows 10 Download Page provides a tool that downloads a compressed install.esd file instead of a large install.wim . Download Windows 10 Disc Image (ISO File) - Microsoft download windows 10 iso highly compressed
(e.g., for upload):
. This compresses system files to save several GBs of space without affecting performance. Debloaters: Use community-vetted scripts (like Chris Titus Tech’s Windows Utility : Download the official ISO and then compress
A 64-bit Windows 10 ISO (version 22H2) is approximately 5.8GB . download windows 10 iso highly compressed