Extract contents to C:\Users\Your User Name\Saved Games\DCS\Kneeboard

You should have a directory that looks like this:

C:\Users\Your User Name\Saved Games\DCS\Kneeboard\F-16C_50

This folder should contain all 5 pages

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For the open beta:

Extract contents to C:\Users\Your User Name\Saved Games\DCS.openbeta\Kneeboard

You should have a directory that looks like this:

C:\Users\Your User Name\Saved Games\DCS.openbeta\Kneeboard\F-16C_50

This folder should contain all 5 pages