Windows Whistler was the pre-release codename for Windows XP, or NT 5.1. It is the successor to Windows 2000. XP was the first that did not compete against a DOS based version of Windows, effectively finally unifying the Windows line in to a single pure 32-bit product. Below are various Beta releases. Winworld does not host the final RTM versions.

Please be aware that there is risk of acquiring malware if you connect these to the internet or browse with the old versions of IE.

If a serial is not included or incorrect then refer to the New Serials Compilation Thread

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Stats/Requirements

Category: Operating System
Platform: Windows
Release: 1999
End of Life: Unknown
RAM: Unknown
Disk Space: Unknown
Required CPU: Unknown
Type: Graphical

Downloads

Name Version Size Language Architecture Contents
Microsoft Whistler 5.1.2428.1 Professional B1  BETA 5.1.2428.1 Professional B1 477.47 MB English x86-32 CD-ROM ISO
Windows Whistler 5.1.2276.1 Professional B1  BETA 5.1.2276.1 Professional B1 323.3 MB English x86-32 CD-ROM ISO
Windows Whistler 5.1.2287.1 Professional B1  BETA 5.1.2287.1 Professional B1 362.03 MB English x86-32 CD-ROM ISO
Windows Whistler 5.1.2296.1 Professional B1  BETA 5.1.2296.1 Professional B1 363.59 MB English x86-32 CD-ROM ISO
Windows Whistler 5.1.2296.1 WinPE B1  BETA 5.1.2296.1 WinPE B1 34.82 MB English x86-32 CD-ROM ISO
Windows Whistler 5.1.2410.1 Professional B1  BETA 5.1.2410.1 Professional B1 398.58 MB English x86-32 CD-ROM ISO
Windows Whistler 5.1.2416.1 Professional B1  BETA 5.1.2416.1 Professional B1 439.75 MB English x86-32 CD-ROM ISO
Windows Whistler 5.1.2419.1 Professional B1  BETA 5.1.2419.1 Professional B1 458.66 MB English x86-32 CD-ROM ISO