Private/Get-InstalledSoftware.ps1
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Function Get-InstalledSoftware { <# .SYNOPSIS Retrieves a list of all software installed .EXAMPLE Get-InstalledSoftware This example retrieves all software installed on the local computer .PARAMETER Name The software title you'd like to limit the query to. .NOTES Author: Adam Bertram URL: https://4sysops.com/archives/find-the-product-guid-of-installed-software-with-powershell/ #> [OutputType([System.Management.Automation.PSObject])] [CmdletBinding()] param ( [Parameter()] [ValidateNotNullOrEmpty()] [string] $Name ) $UninstallKeys = "HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall", "HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall" $null = New-PSDrive -Name HKU -PSProvider Registry -Root Registry::HKEY_USERS $UninstallKeys += Get-ChildItem HKU: -ErrorAction SilentlyContinue | Where-Object { $_.Name -match 'S-\d-\d+-(\d+-){1,14}\d+$' } | ForEach-Object { "HKU:\$($_.PSChildName)\Software\Microsoft\Windows\CurrentVersion\Uninstall" } if (-not $UninstallKeys) { Write-Verbose -Message 'No software registry keys found' } else { foreach ($UninstallKey in $UninstallKeys) { if ($PSBoundParameters.ContainsKey('Name')) { $WhereBlock = { ($_.PSChildName -match '^{[A-Z0-9]{8}-([A-Z0-9]{4}-){3}[A-Z0-9]{12}}$') -and ($_.GetValue('DisplayName') -like "$Name*") } } else { $WhereBlock = { ($_.PSChildName -match '^{[A-Z0-9]{8}-([A-Z0-9]{4}-){3}[A-Z0-9]{12}}$') -and ($_.GetValue('DisplayName')) } } $gciParams = @{ Path = $UninstallKey ErrorAction = 'SilentlyContinue' } $selectProperties = @( @{n = 'Name'; e = {$_.GetValue('DisplayName')}}, @{n = 'Version'; e = {$_.GetValue('DisplayVersion')}}, @{n = 'ProductCode'; e = {$_.PSChildName}} ) Get-ChildItem @gciParams | Where-Object $WhereBlock | Select-Object -Property $selectProperties } } } |