How do I upgrade Avalara AvaTax for Sage 500 to a newer build?

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Overview

You want to upgrade to a newer build of the Avalara software for your Sage 500 version and you want to know how to install the newest version.

Environment

Sage 500

Resolution

Pull up the Avalara credentials and copy the account number, license key, and company code in the current Sage 500 settings prior to making any changes
Uninstall the current version of Avalara AvaTax for Sage 500 from the server (not the workstation/user machine)
Install Avalara AvaTax for Sage 500 following the standard installation process using the .exe file
On each client (workstation/user machine) place the new AV... files in the "AV" folder in the sage 500 client directory

Note: This guide follows the process to change between different builds for the same ERP version. Changing from Sage 500 7.5 → 7.6 for example requires a full installation after ERP upgrade.