Single-Server Upgrade -- Run Setup Below are the notes from Tableau Site on upgrade to Version: 2020.3.1 Upgrading Tableau Server on Windows from version 2018.1 or older requires special steps that are documented separately. For instructions for how to upgrade from a pre-2018.2 version, see Upgrade from Tableau Server 2018.1.x or Earlier (Windows) . This topic is part of the Tableau Server in-place upgrade scenario for upgrading from Tableau Server on Windows 2018.2 or later. Run Setup Follow these steps to upgrade a single-node installation of Tableau Server version 2018.2 or later. Log onto the computer with an account that is a member of the local administrators group. Navigate to the folder where you copied the Tableau Server Setup program and run it. The Setup program checks system resources to confirm that the computer satisfies the minimum requirements and recommendations. The Setup program displays the location of your existing version and will install ...