Windows 8 build 8438

Build of Windows 8
OS familyWindows NT
Version number6.2
Build number8438
Build revision0
Build labfbl_ie_longhorn
Compiled on2012-06-20
Expiration date
Timebomb2013-01-15 (+209 days)
About dialog
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Windows 8 build 8438 is a build of Windows 8, which was uploaded to BetaArchive on 4 January 2019. It is the last build of Windows 8 to use the Windows 7 sound scheme.

Branch name[edit | edit source]

This build notably belongs to a branch that is intended for development of Internet Explorer, specifically for backwards compatibility with versions 7 and 8 which is evidenced by the usage of the longhorn sub-branch. This also applies to build 8330.

Editions and keys[edit | edit source]

Edition / SKU Name Key
ProfessionalWMC (edition upgrade only) JGN88-JG6P9-XWD9R-3VX46-9KTF7

Changes[edit | edit source]

  • Elements in Internet Explorer 10 have been updated to match the new visual style.
  • New multitasking gestures have been introduced for tablets.
  • Picture password setup has been updated to resemble its RTM version.
  • Icon frames for Desktop applications have been made brighter on the Start screen.
  • The Win key onosk.exeis changed from flag to trapezoid.

Bugs[edit | edit source]

Applications[edit | edit source]

Many Windows applications will result in an "Unknown Publisher" warning when opening.

Gallery[edit | edit source]