Hi Gwain,
You are correct. You will need to include the CVI Runtime engine in your installer if the PCs you are deploying to do not include it.
You can do this by going to Build » Distributions » Manage Distributions. There you can choose to create a new distribution. The CVI Runtime Engine can be included by selecting it on the Drivers and Components tab of Edit Installer. If you are concerned about the size of your installer, here you can choose to install only parts of the CVI Runtime Engine that your application needs. You can do this by expanding the CVI Runtime Engine section and deselecting any components you do not need for your application. This will help to reduce the size of your installer.
For more information, see the CVI help topic "Distribution Overview".
Jessica
National Instruments
Product Support Engineer