Dear QIIME2 developers, I have used QIIME2-2018.4 before (data are in the process of publishing, so might need it again later) and currently I have a new set of sequencing which I think is better to use a latest version of QIIME2-2019.4. Is it possible to install both version in parallel? I search o…

Hi! You can install as many versions of Qiime2 or even Qiime1 in parallel as you want.

How can I do that? If I install again, it will update my older version instead of adding another version?

Just install a new version as described in tutorial. You will have the old one and a new one as well. No special actions are needed. You can activate and use any of installed versions.

Great! thanks for that information. So is that means I can also install an older version if I need it?

Hey, no need to activate your previous Qiime2! you can just follow the installation protocol in the tutorial page after opening a new terminal in Linux. It is as same as you have installed the last version of Qiime2. Good luck

[image] Clara: So is that means I can also install an older version if I need it? Let me provide a concrete example. You have installed the latest version like this: wget https://data.qiime2.org/distro/core/qiime2-2019.4-py36-osx-conda.yml conda env create -n qiime2-2019.4 --file qiime2-201…

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Is it possible to install 2 version of QIIME2 in parallel?

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