How use FTP with the TLS protocol

[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls

cls
 
$Xa = (Get-Host).UI.RawUI
$Xa.WindowTitle = "Sync Folder To Ftp"
 
$Xftp = "ftp://perso-ftp.orange.fr/"
# $Xftp.UsePassive = $true
# $Xftp.EnableTls = $true
 
$XlocalDirectory = Get-Content "c:\studio\"
$Xuser = "............."
$Xpass = "............."
   
$Xwebclient = New-Object System.Net.WebClient 
$Xwebclient.Credentials = New-Object System.Net.NetworkCredential($Xuser,$Xpass)  
$XFiles = Get-ChildItem -Path "c:\studio\*" -Rec -For | ? {$_.LastWriteTime -gt (Get-Date).AddHours(-1)} | where { ! $_.PSIsContainer } | Select-Object FullName
$Xnombre = $XFiles.Count
foreach ($XFile in $XFiles)
{
    $XLocalFile = $XFile.FullName
    
    $XRemoveDirectory = $XLocalFile.Replace("C:\studio\","")
    $XChangeSlashes = $XRemoveDirectory.Replace('\','/')
    $XRemoveSpaces = $XChangeSlashes.Trim()
    $XRemoteFile = $Xftp+$XRemoveSpaces
    $Xuri = New-Object System.Uri("$XRemoteFile") 
    $Xwebclient.UploadFile($Xuri, $XLocalFile)
     
    Write-Host "Getting $XFile from $XlocalDirectory" -Foreground "Red" -BackgroundColor DarkBlue
    Write-Host "Puting $XFile to $Xftp" -Foreground "Yellow" -BackgroundColor DarkBlue
}
""
Write-Host "Finished Sync to $Xftp" -Foreground "Green" -BackgroundColor DarkBlue
""
$Xnombre.ToString() + " File sync -- END -- " + (Get-Date)
$Xtext1 = $Xnombre.tostring() + " File sync -- END -- " + (Get-Date)

cls
" 1"
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls
Invoke-WebRequest "https://example.com/"
"=============================================="
" 2"
[Net.SecurityProtocolType]
" =============================================="
" 3"
# get TSL !!!
[enum]::GetNames([Net.SecurityProtocolType])
" =============================================="
" 4"
# Force PowerShell to use TLS 1.1
[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls11
# ???   
" ================================================= "
" 5"
# Force PowerShell to use it's default of TLS 1.0
[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls