How to upgrade Pyramid 2018 to the latest version

1. Backup the underlying Pyramid 2018 content database
2. Download the latest installer from https://www.pyramidanalytics.com/download
3. Run the downloaded installer on all Pyramid 2018 Machines in the deployment, one at a time.
4. Once all servers have been upgraded, try to log in and perform basic tests.

The version number can be seen as shown below:

More info on the online help