Find the MSI ProductCode for Installed Products using the PowerShell App Deployment Toolkit

A quick way to find out MSI product codes for installed products if you have the PowerShell App Deployment Toolkit (PSADT) lying around is to dot source the toolkit’s AppDeployToolkitMain.ps1, and use the Get-InstalledApplication function.

This saves you digging around the registry, and searches both the 64-bit and 32-bit sections of the registry. Also handy, is the fact that the Name parameter on Get-InstalledApplication can take partial names: