If you receive a message similar to 'E0007-Cannot load library d3dx9_41.dll' then DirectX 9 we use isn't installed. The Biofield Viewer installer should install it, but in some instances like a Mac running Windows you may need to run the Microsoft web installer.
Go to https://support.microsoft.com/en-us/kb/179113 and open the section 'Windows XP and Windows Server 2003' to reveal download links for the DirectX End-User Runtime.
We use DirectX version 9 as this runs on Windows 7-10 and also Windows running on an Apple Mac.
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Email email@example.com with any installation questions.