Windows 11 26H2 ISO images now available for download

Microsoft has published ISO images for Windows 11 26H2, its 2026 annual feature update. The file is about 7.9GB and comes in x64 and Arm64 versions; PCs on 24H2 and 25H2 get the update via a small enablement package.

• Windows 11 26H2 ISO is about 7.9GB, same as last year's release
• Image is nearly 40% larger than Windows 10 due to bundled AI models
• x64 multi-edition and separate Arm64 ISOs available, no 32-bit build
• Microsoft download links are valid for 24 hours and include September 2026 patches