I have a Windows 10 computer with LyX 2.2.3 and TeX Live 2016 installed.

I then installed TeX Live 2017.

LyX is still using TeX Live 2016, but I would like it to use TeX Live 2017, and perhaps even switch back.

Is there a simple way to have LyX use a particular version of TeX Live on Windows?

  • What's your PATH pointing to? – TeXnician Jun 28 '17 at 17:40

Go to Tools -> Preferences -> Paths and change C:\texlive\2016\bin\win32 into C:\texlive\2017\bin\win32 in the Prefix for PATH.

I have the Italian version, I hope it's clear, anyway:

enter image description here

Of course, you can change that Prefix for PATH back to 2016, if you would like to use the previous version of TeX Live.

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  • After I changed the path I had to go to Tools -> Tex Information and press the Rescan button and then it worked as desired. Tools -> Reconfigure did not implement the change in the path. – user1930565 Jun 29 '17 at 12:06

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