Microsoft Windows XP Source Code Reportedly Leaked Online

windows xp source code download

Microsoft’s long-lived operating system Windows XP—that still powers over 1% of all laptops and desktop computers worldwide—has had its source code leaked online, allegedly, along with Windows Server 2003.

Yes, you heard that right.

The source code for Microsoft’s 19-year-old operating system was published as a torrent file on notorious bulletin board website 4chan, and it’s for the very first time when source code for Microsoft’s operating system has been leaked to the public.


Several reports suggest that the collection of torrent files, which weigh 43GB in size, also said to include the source code for Windows Server 2003 and several Microsoft’s older operating systems, including:

  • Windows 2000
  • Windows CE 3 
  • Windows CE 4 
  • Windows CE 5 
  • Windows Embedded 7
  • Windows Embedded CE
  • Windows NT 3.5
  • Windows NT 4
  • MS-DOS 3.30 
  • MS-DOS 6.0

The torrent download also includes the alleged source code for various Windows 10 components that appeared in 2017 and source code for the first operating system of the original Xbox that appeared online in May.

While Microsoft has not officially confirmed or denied the leak yet, several independent security researchers have since begun…

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