function Get-InstalledSoftware {
    $paths = @(
        "HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\*",
        "HKLM:\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*"
    )

    $software = foreach ($path in $paths){
        Get-ItemProperty $path -ErrorAction SilentlyContinue |
        Where-Object { $_.DisplayName } |
        Select-Object @{
            Name = "Name"; Expression = { $_.DisplayName }
        }, @{
            Name = "Version"; Expression = { $_.DisplayVersion }
        }, @{
            Name = "Publisher"; Expression = { $_.Publisher }
        }, @{
            Name = "InstallDate"; Expression = { $_.InstallDate }
        }
    }
    
    return $software | Sort-Object name -Unique
}

$timestamp = Get-Date -Format "MM-dd-yyyy-HH-mm"

# Get-InstalledSoftware | Format-Table
Get-InstalledSoftware | ConvertTo-Json | Out-File "software_$($timestamp).json"