Windows Only

1. Download Gtk+ libraries
    http://win32builder.gnome.org/

    Windows OS 
    64 bit
    http://win32builder.gnome.org/gtk+-bundle_3.10.4-20131202_win64.zip
    32 bit
    http://win32builder.gnome.org/gtk+-bundle_3.10.4-20131202_win32.zip

2. Unzip the downloaded zip archive file.
3. Move the expanded bin folder to the pkg-config folder.

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Distribution file: "Install-GTKPlus.ps1"
1. Start powershell with administrator privileges
2. ps1 placement place (Set-Location)
3. Change the execution policy
   Set-ExecutionPolicy RemoteSigned
4. Execute
   .\Install-GTKPlus.ps1
5. Return execution policy
   Set-ExecutionPolicy Restricted

* 4, when specifying the absolute path of Install-GTKPlus.ps1, 2 is unnecessary.
