This action creates a Tcl/Tk Wish binary on the target system. It is not actually a standard Wish binary but a single-file executable wish that is built from a base installkit.
The installkit is a stand-alone WISH shell that contains the following:
Thread 2.6.4 (Windows only)
This is the name of the wish binary you wish to create.
On Windows, this specifies a .ico file to use as the icon for this binary. If no Windows Icon is specified, the wish binary will have the same icon as the original installer.