This release provides binary releases for Tcl/Tk interpreters version 8.x and 9.x for Windows on i686 and AMD-64 architecture.
Tcl8-64 holds the shared library for for 64-bit interpreters version 8.x (x >= 4 because channel handling has been changed in version 8.4)
Tcl9-64 holds the shared library for for 64-bit interpreters version 9.x.
Tcl-32 holds the shared library for for 32-bit interpreters versions >= 8.4.
The extension can either be directly loaded via the Tcl command load or via scripts install scripts within the corresponding subfolder of the Tcl lib folder.