[About macOS Sequoia] (Updated September 12, 2024)
We cannot guarantee the compatibility of the Live2D Cubism Editor and Cubism SDK currently released with macOS Sequoia.
Please refrain from upgrading the macOS as they may not work properly.
For more details Live2d Cubism 4.0 doesn't open
Comments
Can you check here "System Requirements"?
https://help.live2d.com/en/other/old-cubism-editor-system-requirements/
Perhaps, your machine cannot meet the requirements.
Does your machine have GPU?
And, I think your machine is a little old. I recommend to buy newer.