If you need to downgrade Navigator to a previously released version, you can use the conda install command in Anaconda Prompt (Terminal on macOS/Linux) and specify the version of Navigator you want to install. Along with this command, you may also need to specify a version of conda to avoid errors or conflicts.

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Downgrading to Navigator v2.4.0

To downgrade Navigator to version 2.4.0, run the following command: 
# No version of conda greater than 23.3.1 should be specified
conda install anaconda-navigator=2.4.0 conda=23.3.1

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Downgrading to Navigator v2.3.0

To downgrade Navigator to any version earlier than 2.4.0, run the following command: 
# No version of conda greater than 22.9.0 should be specified
conda install anaconda-navigator=2.3.0 conda=22.9.0
Anaconda Navigator 2.4.0 and earlier versions are not compatible with Python 3.11. If you have Python 3.11 or later installed in your base environment (or the environment where you’re installing anaconda-navigator) and the solver returns an “UnsatisfiableError” response about your Python installation, try the command again with a Python version lower than 3.11 specified. For example, conda install anaconda-navigator=2.4.0 conda=23.3.1 python=3.10.