As an update to this Announcement provided in April, 2018:
...Hexagon Geospatial would like to make the following clarifications and updates:
The release of ERDAS IMAGINE 2018 (v16.5.x) is the final version of ERDAS IMAGINE (and the Spatial Modeler SDK) that will provide Supported status for the following Operating Systems:
However it should be noted that Microsoft is ceasing support for Windows 7 and Windows Server 2008 on January 14, 2020. Consequently ERDAS IMAGINE 2018 (and prior versions) will no longer be considered Supported on Windows 7 or Windows Server 2008 after January 14, 2020.
ERDAS IMAGINE 2019, to be released in Q4, 2019, will be Supported on the following operating systems only:
If you have any concerns please post a comment or otherwise contact us.