[tinus_hn]

Although it was not installed by default, the original release of Windows 95 did feature tcp/ip as an option that could be installed from the cd:

http://www.michusa.com/SupportFiles/win95ppp/win95.html

[folsom]

I started running a pre-release version in early 1995 and never had to install anything from the CD. Maybe it detected my off brand ne2000 network card and just installed it by default. Easy networking was my favorite part of windows 95 at the time.