Legacy Flame download - 2018.3.1

Hi All,
Anyone know how I can download a version of Flame 2018.3.1 (Mac) ?
I have an active license but can only see 2019 and onwards on the Autodesk site.
Horrific internet shaping by my ISP and need to work on this version locally.
TIA,
Rich

@fredwarren

Sorted now, thanks guys.