Uninstall old version to install new version

I installed a very old version of Fontself that I hadn’t used in years (3.1.1) and I don’t think it’s compatible with Illustrator 2024. It was showing up as a blank panel in Illustrator. So I went ahead and bought the latest version of Fontself and installed it, but only 3.1.1 is showing up in my Illustrator menu. I can’t find a way to delete the old version so that the new version can take its place. Can you please help? If it helps, I have a Macbook Pro running on Ventura 13.5.2. Thank you!

I tried looking in the Library/Application Support/Adobe/CEP/extensions folder to delete it there, but the extensions folder is empty.

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