Windows 11 24h2 Update Size Jun 2026

The typically ranges from 3 GB to 6 GB for the initial download , though the actual installation process requires significantly more disk space. While Microsoft has optimized the update engine to make these downloads roughly 40% faster and reduced the "on-disk" footprint of the OS itself, users still face substantial storage requirements to successfully complete the upgrade. Windows 11 24H2 Download vs. Installation Size

If you are updating via Windows Update, expect a download between 3.5 GB and 5.5 GB . For those using an ISO file for a clean install or manual upgrade, the file size is approximately 5.41 GB . windows 11 24h2 update size