I don't believe the source code is still available officially (although it used to be through Microsoft's Shared Source Initiative and Government Security Progr

I don't believe the source code is still available officially (although it used to be through Microsoft's Shared Source Initiative and Government Security Program), but the Windows 2000 source code was leaked back in 2004. https://news.microsoft.com/2004/02/12/statement-from-microsoft-regarding-illegal-posting-of-windows-2000-source-code/ https://news.microsoft.com/2004/02/12/statement-from-microso...