Windows Longhorn Post-Reset

Windows Longhorn was the pre-release codename for Windows Vista and was the successor to Windows XP and Windows Server 2003 (built from NT 5.2 codebase). Development on the OS started in May 2001 and went through two unique development cycles separated by a development reset in 2004. The reset occurred as Microsoft's development staff had lost focus on the project as a whole and what was required to be done in order to bring it to market. Features were being written into the OS at an alarming rate with a significant lack of QA or vision of true requirement. This combined with Microsoft's trustworthy computing initiatives caused the reset.

Several features of Longhorn planned that were actually shipped include the glass replicating Aero theme (which followed the Slate and Jade themes from earlier builds), along with the Windows Sidebar - although this was shipped as a standalone utility where as most builds (at least in pre-reset) shipped this as part of explorer.exe. Numerous improvements to the Windows Explorer, along with an updated Internet Explorer 7, Windows Media Player 11, instant search, new 3-d games and other items made it into the final version of Windows Vista.

Windows Longhorn existed as a continuation of the Windows 2003 codebase although after build 4094 development was reset; restarted from scratch as the original Longhorn builds were growing in complication (described as 'a mess') and Microsoft introduced a new focus on security. These are the post-reset builds.

Product type
OS
Release date
2004
User interface
GUI
Platform
Windows

Downloads

Download Name Version Language CPU File type File size
Windows Longhorn (6.0.5048.0) (beta1) 6.0.5048 Prerelease English x86-32 DVD 841.68MB
Windows Longhorn (6.0.5048.0) (x64 beta1) 6.0.5048 Prerelease English amd64 DVD 1.25GB
Windows Longhorn (6.0.5112.0) (beta1) 6.0.5112 Prerelease English x86-32 DVD 1.56GB
Windows Longhorn (6.0.5112.0) (x64 beta1) 6.0.5112 Prerelease English amd64 DVD 1.65GB
Windows Longhorn (6.0.5219.0) (beta2) 6.0.5219 Prerelease English x86-32 DVD 1.89GB
Windows Longhorn (6.0.5231.0) (beta2) 6.0.5231 Prerelease English x86-32 DVD 2.02GB
Windows Longhorn (6.0.5231.2) (x64 beta2) 6.0.5231 Prerelease English amd64 DVD 2.55GB
Windows Longhorn (6.0.5259.0) (beta2) 6.0.5259 Prerelease English x86-32 DVD 1.61GB
Windows Longhorn (6.0.5270.9) (beta2) 6.0.5270.9 Prerelease English x86-32 DVD 1.97GB
Windows Longhorn (6.0.5270.9) (x64 beta2) 6.0.5270 Prerelease English amd64 DVD 2.45GB
Windows Longhorn (6.0.5308.17) (beta2) 6.0.5308.17 Prerelease English x86-32 DVD 2.73GB
Windows Longhorn (6.0.5308.17) (x64 beta2) 6.0.5308.17 Prerelease English amd64 DVD 3.58GB
Windows Longhorn (6.0.5308.60) (beta2) 6.0.5308 Prerelease English x86-32 DVD 2.19GB
Windows Longhorn (6.0.5342.2) (beta2) 6.0.5342.2 Prerelease English x86-32 DVD 2.81GB
Windows Longhorn (6.0.5365.8) (beta2) 6.0.5365.8 Prerelease English x86-32 DVD 3.05GB
Windows Longhorn (6.0.5381.1) (beta2) 6.0.5381.1 Prerelease English x86-32 DVD 3.27GB
Windows Longhorn (6.0.5384.4) (beta2) 6.0.5384.4 Prerelease English x86-32 DVD 3.19GB
Windows Longhorn (6.0.5384.4) (x64 beta2) 6.0.5384.4 Prerelease English amd64 DVD 4.05GB
Windows Longhorn (6.0.5456.5) (beta2) 6.0.5456.5 Prerelease English x86-32 DVD 2.53GB
Windows Longhorn (6.0.5456.5) (x64 beta2) 6.0.5456 Prerelease English amd64 DVD 3.28GB
Windows Longhorn (6.0.5472.5) (beta2) 6.0.5472 Prerelease English x86-32 DVD 2.59GB
Windows Longhorn (6.0.5536.16385) (rc1) 6.0.5536.16385 Prerelease English x86-32 DVD 2.59GB
Windows Longhorn (6.0.5552.16384) (rc1) 6.0.5552.16384 Prerelease English x86-32 DVD 2.6GB
Windows Longhorn (6.0.5600.16384) (rc1) 6.0.5600.16384 Prerelease English x86-32 DVD 2.53GB
Windows Longhorn (6.0.5600.16384) (x64 rc1) 6.0.5600 Prerelease English amd64 DVD 3.59GB
Windows Longhorn (6.0.5728.16387) (rc1) 6.0.5728 Prerelease English x86-32 DVD 2.58GB
Windows Longhorn (6.0.5728.16387) (x64 rc1) 6.0.5728 Prerelease English amd64 DVD 3.58GB
Windows Longhorn (6.0.5744.16384) (rc2) 6.0.5744 Prerelease English x86-32 DVD 2.5GB
Windows Longhorn (6.0.5744.16384) (x64 rc2) 6.0.5744.13684 Prerelease English amd64 DVD 3.56GB
Windows Longhorn (6.0.5754.1) (rc2) 6.0.5754 Prerelease English x86-32 DVD 2.5GB
Windows Longhorn (6.0.5840.16384) (rc2) 6.0.5840.16384 Prerelease English x86-32 DVD 2.51GB

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