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https://duckduckgo.com/?q=Windows+95+(4.00.950)+Retail+CD-ROM
Windows 95 (4.00.950) was the first retail release of Microsoft's operating system, available on CD-ROM starting August 24, 1995. It introduced features like a graphical user interface, support for 32-bit applications, and long filenames, marking a significant upgrade from its predecessor, Windows 3.1.
betawiki.net
https://betawiki.net/wiki/Windows_95_build_950_r-6
pcjs.org
https://www.pcjs.org/software/pcx86/sys/windows/win95/4.00.950/