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Can I install more than one version of Unity on the same machine?

Symptoms

  • I would like to run multiple versions of Unity on my machine
  • I would like to activate multiple Unity Editor versions on the same machine

Cause

You may be developing a game using multiple versions of the Editor and need to install several versions of the Editor on the same machine.

Resolution

You can install multiple versions of the Editor on a single machine by using our Unity Hub software. Unity Hub also handles the activations for you where you would only need to activate once. Providing that your license allows you to use the specific version you require, you would be able to load that version inside the Hub for the Project that you want.

If you would prefer not to use the Unity Hub (this would only work for Unity versions prior to 2019.1), you can refer to the processes below.

Macintosh Users:

You will be able to install multiple versions of the Editor, however you may have trouble finding them once installed if you do not rename the folders. When the Editor is installed, navigate to the Unity folder in Finder and rename it.

We also recommend that you rename the .exe file within the installation folder. There are a few people who also change the icon, which is a great idea.

Windows Users: 

When installing the Editor, please ensure that you rename the directory that the Editor is installed to.

Ensure that you change this install folder name for each new version, otherwise the older version will be replaced.

More Information

For more information on how to activate Unity, please see this article.

For more information on Unity Hub, please refer to the subforum here.

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2 Comments

  • 0
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    Emile AKQA

    The question was "can i Activate multiple versions of Unity" not can in install multiple versions of unity. 

    What is left unanswered is if i have to activate each install individually and whether or not that counts towards your activation count. 

    It would be helpful to more fully understand if activation is per PC/Mac user account or per Editor install?

  • 0
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    Dean Foster

    Yeah, the question asked does not match up with the answer provided! I believe this is because the actual answer (which they're trying to avoid) is that, no, you can't activate multiple versions of Unity on one machine. The license can only be active on one version at a time, meaning that you have to release the license back and then activate it again on the other version. This is a very awkward way for people to manage multiple projects with different versions (unless you pay for another license!!)

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