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Need to know the name of software installed? Use the same query to print matching results: (gp HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*). ((gp HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*).DisplayName -Match "Core Runtime - 3.1").Length -gt 0 But be careful: you might match more then a single installation! So we need to evaluate the result differently and do a -gt 0 to see if there are results. If you need to match a partial name, you can use the -Match option. NET Core Runtime - 3.1.0 (圆4)" Need to check a partial name? If you really want to hurt yourself need something smaller, check this one-liner: (gp HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*).DisplayName -Contains "Microsoft. The script is both readable and easy to understand. Write-Host "'$software' NOT is installed." $installed = (Get-ItemProperty HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\* | Where ) -ne $null The path you want to query is HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\*. PowerShell makes it really easy to query the registry using Get-ItemProperty. You could check if a specific file is present at a certain location, but there is a better way: the uninstall database in the Windows Registry!

Some deployment scripts need to check if certain required software is installed on a Windows Machine. Go to the Actions Tab New action with following parameters: Action Start a program Program script: powershell Add arguments (optional): -File specify.