Choose the binaries depend on your System types either 64 bit or 32 bit. Double click on downloaded setup to start installing TCL.
Choose path. I am installing on C:\Tcl default path
So TCL is installed on your windows. Now we will set path of C:\Tcl\bin\ directory so, we can run it from any location.
To set path just copy the path up to bin directory ( In my case it is C:Tcl\bin\ ) and fire command like this
Path is set so we can run TCL from any location. Lets try to run it from D drive. First create one small TCL and save it on D drive with name Hello.tcl . So the path is D:\Hello.tcl