Locking down Windows 8.1 start

Hello Experts,
We have an all in one windows 8.1 touchscreen desktop for a client. They want the ability to lock down the desktop (gems) and add pdfs and word documents as tiles.
Is there any recommended manual or software to do this.
We looked into the original windows 8 and you could simply tag a pdf to that screen but no longer.
Thanks in advance.
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Lionel MMSmall Business IT ConsultantCommented:
This is a link that tell you how to fix tiles that are not working--apparently it is happening to lost of people http://blogs.technet.com/b/ouc1too/archive/2014/01/08/hey-my-live-tiles-aren-t-working.aspx
This page has instructions for how to enable pinning of all files to the Windows 8.1 Start Screen, look at "Option 2":

This page has instructions for restricting users from customizing the Start Screen layout.
unrealone1Author Commented:
What we are after is the ability to pin PDF documents to the start. Locking down start so that things cannot be deleted or moved. The ability to web browse is important.
If possible solution to be managed by a novice admin user.
Did you look at the links I provided? The first link was for the ability to pin any file to the Start Menu, including PDFs.

The 2nd link was for "locking down start so that things cannot be deleted or moved."

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Windows 8

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