$FileName = "$PSScriptRoot\Update.zip"
$LocalVersion = [version](Get-Content $PSScriptRoot\version.txt)
$RemoteVersion = [version](Invoke-RestMethod http://domaine/version.txt)

If ($LocalVersion -lt $RemoteVersion) {
    $true
(New-Object Net.WebClient).DownloadFile('http://domaine/update/Updates.zip',"$FileName ");
(new-object -com shell.application).namespace("$PSScriptRoot").CopyHere((new-object -com shell.application).namespace("$FileName").Items(),16)
if (Test-Path $FileName) {
  Remove-Item $FileName
}
}