The 6.1 release introduced several "modern" era features that the RTE had to support for the first time: Install or Include LabVIEW Runtime Engine for ... - Support
Install labview 6.1 (or compatible) run-time engine with labview 2011 labview runtime engine 61 exclusive
The LabVIEW Runtime Engine 6.1 plays a critical role in the LabVIEW development process. When developing a LabVIEW application, developers can choose to create a standalone executable that includes the LabVIEW Runtime Engine 6.1. This allows users to run the application on a computer without a full LabVIEW development environment. labview runtime engine 61 exclusive