Chocolatey NuGet is a Machine Package Manager, somewhat like apt-get, but built with Windows in mind.

Install Chocolately

@powershell -NoProfile -ExecutionPolicy Bypass -Command "iex ((new-object net.webclient).DownloadString(''))" && SET PATH=%PATH%;%ALLUSERSPROFILE%\chocolatey\bin

Install LFTP

Now you can install lftp with
choco install lftp

choco will make shims for lftp.exe, ssh.exe, sh.exe and bash.exe
so you can run it everywhere in Command Prompt or Powershell

Run LFTP script file

mirror from server(Download)

mirror to server (Upload)