Microsoft Windows [Version 10.0.19044.2075]
(c) Microsoft Corporation. All rights reserved.

C:\Users\ken\tmp>perl -v

This is perl 5, version 26, subversion 3 (v5.26.3) built for MSWin32-x64-multi-thread
...

C:\Users\ken\tmp>perl -E "use Tk; say $Tk::VERSION"
804.034