Script Download: 26698.zip http://gallery.technet.microsoft.com/How-to-add-the-Pin-to-66fa0251
With Windows 8.1, Microsoft has restricted access to the 'Pin to Start Screen' menu command for 3rd party apps. The same thing could be implemented in Windows 8, any app was able to pin itself to the Start Screen, but not so in Windows 8.1. So this script can get the "Pin to Start Screen" context menu item unlocked for every file, and every file system object in Explorer.
You can find more All-In-One Script Framework script samples at http://aka.ms/onescriptingallery
How does it work?I think it use the following tweak: http://winaero.com/blog/how-to-add-the-pin-to-start-screen-menu-item-to-all-files-in-windows-8/