A script that finds different versions of Windows .NET SDK tools in expected directories.

Find-SDKTool.ps1

<#
.SYNOPSIS
    Finds an SDK tool in .NET SDK folders
.INPUTS
    Name of tool (exe filename) to search for. (E.g., svcutil.exe)
.OUTPUTS
    Outputs a list of matching filenames along with properties about the directories
        * Windows SDK version
        * .NET version
        * 32- or 64-bit exe
.EXAMPLE
.\Find-SDKTool.ps1 svcutil.exe | Select-Object -First 1 -ExpandProperty File
Find the latest version of svcutil.exe
.EXAMPLE
.\Find-SDKTool.ps1 svcutil.exe | Format-Table
WindowsVersion DotNetVersion DotNetModifier Is64Bit File
-------------- ------------- -------------- ------- ----
10.0           4.6.2         A                 True C:\Program Files (x86)\Microsoft SDKs\Windows\v10.0A\bin\NETFX 4.6.2 Tools\x64\SvcUtil.exe
10.0           4.6.2         A                False C:\Program Files (x86)\Microsoft SDKs\Windows\v10.0A\bin\NETFX 4.6.2 Tools\SvcUtil.exe
10.0           4.6.1         A                 True C:\Program Files (x86)\Microsoft SDKs\Windows\v10.0A\bin\NETFX 4.6.1 Tools\x64\SvcUtil.exe
10.0           4.6.1         A                False C:\Program Files (x86)\Microsoft SDKs\Windows\v10.0A\bin\NETFX 4.6.1 Tools\SvcUtil.exe
10.0           4.6           A                 True C:\Program Files (x86)\Microsoft SDKs\Windows\v10.0A\bin\NETFX 4.6 Tools\x64\SvcUtil.exe
10.0           4.6           A                False C:\Program Files (x86)\Microsoft SDKs\Windows\v10.0A\bin\NETFX 4.6 Tools\SvcUtil.exe
8.1            4.5.1         A                 True C:\Program Files (x86)\Microsoft SDKs\Windows\v8.1A\bin\NETFX 4.5.1 Tools\x64\SvcUtil.exe
8.1            4.5.1         A                False C:\Program Files (x86)\Microsoft SDKs\Windows\v8.1A\bin\NETFX 4.5.1 Tools\SvcUtil.exe
8.0            4.0           A                 True C:\Program Files (x86)\Microsoft SDKs\Windows\v8.0A\bin\NETFX 4.0 Tools\x64\SvcUtil.exe
8.0            4.0           A                False C:\Program Files (x86)\Microsoft SDKs\Windows\v8.0A\bin\NETFX 4.0 Tools\SvcUtil.exe
.NOTES
    Files are not examined. Version info is based on directory structure.
#>

param(
    # Parameter help description
    [Parameter(Mandatory,HelpMessage="Enter a filename to search for")]
    [string]$filename
)

class SdkInfo {
    [version]$WindowsVersion
    [version]$DotNetVersion
    [string]$DotNetModifier
    [bool]$Is64Bit
    [System.IO.FileInfo]$File

    SdkInfo([System.IO.FileInfo]$file) {
        $this.File = $file
        $re = [regex]"v(?<winver>[\d.]+)(?<winvermod>[A-Z])?\\bin\\NETFX\s(?<netver>[\d.]+)\sTools(?<is64bit>\\x64)?"
        $match = $re.Match($file.Directory.FullName)
        if ($match.Success) {
            $this.WindowsVersion = New-Object version $match.Groups["winver"].Value
            if ($match.Groups["winvermod"].Success) {
                $this.DotNetModifier = $match.Groups["winvermod"].Value
            }

            $this.DotNetVersion = New-Object version $match.Groups["netver"].Value
            $this.Is64Bit = $match.Groups["is64bit"].Success
        }
    }
}

$searchPath = "${env:ProgramFiles(x86)}\Microsoft SDKs\Windows\*\bin\NETFX * Tools" # "v10.0A\bin\NETFX 4.6.2 Tools"
$files = Get-ChildItem $searchPath $filename -Recurse
return $files | ForEach-Object -Process { return New-Object SdkInfo $_ } | Sort-Object -Property DotNetVersion,Is64Bit -Descending