How can I find an older release of the Unitrends agent software?

Unitrends agents on the Unitrends support Downloads page are always the latest version available. If an older version is required, it can be found on the Unitrends S3 agent repository.


1. Navigate to

2. Search for the version required.

Example output for the "10.5.4" 64-bit Windows agent:



3. Please close attention to the key identifier fields, such as the  operating system, software version and the architecture.

Ex: <Key>windows-agent/10.5.4/Unitrends_Agentx64.msi</Key>


4. Once the correct version is identified, add the file path to the end of the url as shown below.

5. Now enter the url into your browser and download the required agent.




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