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Download Strawberry Perl from http://strawberryperl.com/releases.html. Install according to the directions on the site.
Open a command prompt window and type:
cpan install App::Music::ChordPro::Wx
This will download and install the ChordPro program
wxchordpro. It may take a while. Upon completion, it can be executed from the command prompt. Alternatively, you can add a shortcut icon to the desktop.
You may now proceed to Getting Started.