: Capabilities for georectifying, displaying, and processing remotely sensed data.
: The most reliable way to obtain older versions is through the official developer, NV5 Geospatial Software . You can visit their Download and License page to check for availability or contact their support team for archival access if you have a valid license. envi-4-5-full-version-download
If you are using this version for research or legacy projects, it includes several foundational tools: : Capabilities for georectifying