[tex-live] windows multiple tl versions

[Joseph Wright]

On 26/12/2011 01:33, Karl Berry wrote:
> Siep or anyone,
> 
> Suppose I install vanilla TL 2010 on a Windows machine.
> Now suppose I install vanilla TL 2011 on that same Windows machine.
> 
> Do any conflicts result?
> How about if I do it in the other order/
> 
> I know (I think) that the files will end up in different directories,
> just as they do on Unix.  But what about the registry or other Windows
> magic?  Does 2011 overwrite something global from 2010, such that you
> cannot switch simply by changing the path?
> 
> Put another way, for complete confidence, is it necessary to uninstall 
> one version before installing another, on Windows?  I think/hope the
> answer is no, but a user asked me, and I realized I wasn't sure.
> 
> The Administration section of http://tug.org/texlive/windows.html has
> the weasel words "(at least)".  So, still not sure.
> 
> The Windows registry section in the manual talks about interesting
> registry keys in the abstract, but not what TL sets (if it sets
> anything).  So, still not sure.
> 
>>From windows.html I realize there is this distinction of where the new
> directory is auto-added to the Windows PATH.  That's fine.  I'm worried
> about things that make changing the PATH insufficient.
> 
> Thanks,
> k

Hello Karl,

I have no issues switching between different TeX Live installations on
Windows. A quick look at the Registry suggests that there are no
critical settings there for TL. (I assume the uninstall information is
set, but that should not be relevant here.)
-- 
Joseph Wright