> I have spent hours trying to figure out how one might be able to run BOTH LyX > 2.4 and LyX 2.3.8 on the same Mac computer with a Silicon chip and Mac OS > 14.5. No luck finding any useful information about this issue. > Is this possible?
It’s not clear what you are asking. There should be no problem installing both versions on your machine. But it is usually the case that you can’t smoothly edit the same document with different versions of LyX, as there are usually changes in the .lyx file format from version to version. (There’s usually no problem importing documents created from older versions of LyX into newer versions but vice versa is usually (always?) problematic.) If all you want to do is install both versions of LyX, then, assuming you currently have LyX 2.3.8 installed, just open the Applications folder on your machine and rename LyX.app to “LyX 2.3.8.app” and then install LyX 2.4. I think the only issue is that LyX 2.3.8 will look in ~/Library/Application Support/LyX-2.3 for its support files (personal bind files, personal spellcheck files, etc) and LyX 2.4 will look in ~/Library/Application Support/LyX-2.4 so those could get out of sync. (You could probably create symlinks in your LyX-2.3 folder to keep things in sync but you can kick that can down the road for now.) LyX wizards might be appalled at something I’ve said here... -chris
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