$ftp = "ftp://ftp3.example.com/Jaz/In/"
$user = 'username'
$pass = 'password'
$folder = "/"
$target = "C:UsersJasdeepDestination"

$credentials = new-object System.Net.NetworkCredential($user, $pass)

function Get-FtpDir ($url,$credentials) {
    $request = [Net.WebRequest]::Create($url)
    $request.Method = [System.Net.WebRequestMethods+FTP]::ListDirectory
    if ($credentials) { $request.Credentials = $credentials }
    $response = $request.GetResponse()
    $reader = New-Object IO.StreamReader $response.GetResponseStream()
    $reader.ReadToEnd()
    $reader.Close()
    $response.Close()
}

$folderPath= $ftp + "/" + $folder + "/"

$Allfiles=Get-FTPDir -url $folderPath -credentials $credentials
$files = ($Allfiles -split "`r`n")

$files

$webclient = New-Object System.Net.WebClient
$webclient.Credentials = New-Object System.Net.NetworkCredential($user,$pass)
$counter = 0
 foreach ($file in ($files | where {$_ -like "*.*"})){
    $source=$folderPath + $file
    $destination = $target + $file
    $webclient.DownloadFile($source, $target+$file)

    $counter++
    $counter
    $source
}