: Approximately 240 MB of disk space for the installation. Modern Alternatives
Official "free" downloads of ERDAS IMAGINE 8.4 are generally not available through Hexagon because the software is proprietary and reached its end-of-life years ago. erdas imagine 8.4 free download
For users seeking a "free" or more modern experience, consider these options: IMAGINE Subpixel Classifier Version 8.4 : Approximately 240 MB of disk space for the installation