Download code

If you agree to the licence agreement (opens in a new tab) enter the emailed code and click Go.    Recommended equipment

Web browser guide

Chrome  When the download has finished click on it's icon to run, then see SmartScreen below.
Firefox  Click 'Save File' in the popup. Press Ctrl-J to view downloads and when it's complete double click on the installer's icon to run.
Microsoft Edge default browser  Click 'Save' in the popup, and then 'Run' when it's finished.  '... is not commonly downloaded' message
Windows Defender SmartScreen  Click 'More info' and 'Run anyway'.


The download is a full installer that will update any previous version.
The installer does everything quietly and can take up to a minute. When it finishes there's a shortcut on the desktop to run the program.
On Windows 10 you may need to enable the camera, guide here.
If you have any issue installing email for an alternative installer, or a preview of version 4.

Internet edition

When we send a USB key we'll also email you an internet enabled version that you can use immediately without waiting for delivery. Both versions are identical, with the USB key version allowing you to run the program when offline.
From version 3.5.3 you can have them both installed with their own desktop shortcuts. The latest internet edition is available on request.

Installing the USB security key

The USB device is a security key, the software needs to be downloaded from this page as it's often updated.
For the latest purple body USB key Windows will automatically install a driver, either before or after you install the software. Plug it in, and after the "We're setting up Sentinel HL" message wait around 10-20 seconds for "Device is ready, Sentinel HL is set up and ready to go". Then it's ok to run the installed program. On Windows 8 there's instead a progress icon on the Windows taskbar.
The black, or black and purple, USB keys have their driver included in the application installation. Installing this driver on a new PC

Other questions

Camera video doesn't appear
Recommended computer and video equipment
Apple Mac
Logitech c920 software tools and driver  Download "Camera Settings"
Logitech c922 software tools and driver  Scroll down and download "Camera Settings"
Where is the downloaded file?
USB security: the program doesn't run
Internet security: the program doesn't run
'C:\Program Files\Biofield Viewer\d3dx9_41.dll is either not designed to run on Windows...' - Windows 7
'Cannot load library d3dx9_41.dll'
'Cannot update the program. If the old program is currently running...'
Norton  It's easier to install with Windows Defender the free anti-virus in Windows.
Auaura   Download free Auaura for Windows  or enter the emailed Pro code above.
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