I'm stupid.
I saved on my computer my licence :
---- Thea Standard License - Studio
---- Thea Standard License - Node #1
---- Thea Standard License - Node #2
---- SketchUp Plugin License
But I don't save the installer.

Where can I retreive the installer ? I think it's a Thea 1.5 for SketchUp installer I need.
I'm a MAC user ! I need MAC installer .dmg.
Regards.