Windows 2000/5.0.1585.1

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2000 1585.GIF
Kernel version NT 5.0
CPU Architecture x86
Edition Workstation
BIOS date July 14, 1997
Key and TCB link No Key needed

Windows NT 5.0 build 1585.1 is a pre-beta compilation of Windows NT 5.0, which became Windows 2000. This build has been leaked only in Workstation (later called Professional) SKU. Unlike the previous two known leaked builds, 1515.1 and 1575.1, it doesn't have the "Show desktop" feature. However, it seems to have shell more integrated with Internet Explorer (IE 4.0 Platform Preview build 4.71.0925.0 is installed by default). The link-clicking icons style is enabled by default, as well as web style folder browsing mode.

Known issues


  • The original ISO is bootable, however soon after it boots an error (BSOD) shows up and computer reboots. This build has to be installed either by booting computer from floppy disk (for example using Windows 98 boot disk) or hard disk (for example using existing DOS installation) and then launching \I386\WINNT.EXE from the 1585.1 CD. It is also possible to upgrade from existing Windows NT 4 installation.