Windows 11 build 23403.1001

Windows 11 build 23403 is a Insider Preview build of Zinc, the 23H2 development semester of Windows as a service. It was released to Windows Insiders in the Dev Channel on 8 March 2023. It is the first available build from the ni_prerelease branch.

Live captions
The live captions feature, initially introduced in build 22557, has been updated to support Chinese (Simplified and Traditional), French, German, Italian, Japanese, Portuguese (Brazil), Spanish and other English dialects.

File Explorer

 * The access key shortcuts have been added into the XAML context menu in File Explorer. This feature is only available to a subset of users.
 * The ability to show file recommendations in File Explorer has been added and rolled out to a subset of users signed in with an AAD account.