List files recursively with their max version

Get-FilesWithMaxVersion

using System;
using System.Windows.Forms; 
using System.IO;
using System.Linq;
using System.Diagnostics;

class Script
{
    static public void Main(string[] args)
    {
		if (args == null || args.Length < 1 ) 
		{
			Console.WriteLine("Specify path to find files" );
			return;
		}
		
		var directory = args[0];
		
        var filesWithVersions = Directory.EnumerateFiles(directory, "*.*", SearchOption.AllDirectories)
			.Select(f => new {FileName = Path.GetFileName(f), Version = FileVersionInfo.GetVersionInfo(f)})
            .Where(f => f.Version.ProductVersion != null)
            .GroupBy(f => f.FileName)
            .Select(g => new {FileName = g.Key, MaxVersion = g.Max(r => r.Version.ProductVersion)})
            .ToList();

        foreach (var filesWithVersion in filesWithVersions)
        {
			Console.WriteLine("{0}\t{1}", filesWithVersion.FileName, filesWithVersion.MaxVersion);	
		}
    }
}