Windows XP HyperTerminal on Windows Vista and Windows 7

To use Windows XP version of Hyper Terminal on Windows Vista or Windows 7 you need to get two files from any Windows XP installation:
hypertrm.exe – C:\Program Files\Windows NT
hypertrm.dll – C:\WINDOWS\system32

You can download both files from here. Just extract them to the same folder and run hypertrm.exe