Version 24h2 Size ((new)) Download Size: Windows 11

This update moves Windows to a new internal codebase (Build 26100). While this optimizes performance and security, a platform shift often means replacing a significant portion of system binaries rather than just patching them, leading to a larger download footprint.

The most critical distinction users must understand is the difference between download size and disk space usage . While the download might only be 4 GB, the installation process requires significantly more room to unpack and stage files. windows 11 version 24h2 size download size