From the IO-Tty README file:

Windows is supported only under the Cygwin environment, see
http://www.cygwin.com/.

Sorry, ActiveState Perl on Windows is NOT supported, basically 
because there are no pseudo-terminals under Windows.

[download]

In reply to Re^2: problem when installing IO-Tty-1.07 in windows by bingos
in thread problem when installing IO-Tty-1.07 in windows by veeruch

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