Iron

Iron
Version of Microsoft Windows
Windows 10 logo and wordmark.svg
20324 Enterprise Desktop.png
OS familyWindows 10 (NT 10.0)
Version
Codename
Preliminary name
SemesterIron
Architecturex86, x64, ARM64
Latest build
Release date
Support end
Replaces
Manganese
Replaced by
Cobalt

Iron is the 21H1 development semester of Windows as a service, the commercial release of which is Windows Server 2022. It was later followed by Cobalt in the first half of 2021.

List of known builds[edit | edit source]

For server counterparts of Iron, see Windows Server 2022#Insider Preview.

Pre-Dev Channel[edit | edit source]

Dev Channel (rs_prerelease branch)[edit | edit source]

Dev Channel (fe_release branch)[edit | edit source]

Post-Dev Channel[edit | edit source]