HyperTerminal is not included in Windows 7 and Vista.
I combined a list of alternative utilities that can be used instead.

First is PuTTy

PuTTy is a terminal program designed  not only for Serial port connections , it can be used to initiate SSH or Telnet sessions.

Download PuTTy from here

Second is Realterm

Realterm is a serial/tcpip terminal program which can be used for , controlling and debugging binary and other difficult data streams. It is far better for debugging comms than Hyperterminal. It has no support for dialing modems, BBS etc – that is what hyperterminal does.

Download Realterm from here

Third is TeraTerm

Tera Term (Pro) is a free software terminal emulator (communication program) for MS-Windows. It supports VT100 emulation, telnet connection, serial port connection, and so on.

Download TeraTerm from here

Alternatively you can use legacy windows XP hyperterm by downloading the following file and extract it in your system32 folder.

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