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How to download a previous version of a Pix4D software in case of an expired Support and Upgrade (S&U)
Perpetual licenses with expired Support and Upgrade (S&U) do not allow users to use the latest version of Pix4D software. However, users can still use a previous version of the software. This article explains how to find and download the latest version of the software that can be used by a user according to the expiration date of the S&U.
Situation
In the case of perpetual licenses (One Time Charge, OTC) paired with a valid S&U, the user can access any version of the software, including the latest one.
In the case of an expired S&U, users can access the latest version of the software that was available the moment of the S&U expiration.
PIX4Dmapper
In the specific case of PIX4Dmapper, if a user is trying to log in on a newer version that their license is allowing, the "OK" button during the log in and license selection appears gray.
Resolution
To download the latest version of the software available for your license, please follow this procedure:
- (if you have a newer version that you cannot use, uninstall it)
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Go to your account page and log in with the account holding the perpetual license.
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On the left sidebar, select Download software.
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Under Your products, search your product. You will find a personalized download button for the latest version you can access with your license.
![](https://support.pix4d.com/hs-fs/hubfs/download_software-1.png?width=672&height=482&name=download_software-1.png)