http://l3tczdiiwoo63iwxty4lhs6p7eaxop5micbn7vbliydgv63x5zrrrfyd.onion/4.0.0/user-manual/installation.html
Version 3.0.5 beta introduced full Windows service functionality. On
Windows only, the Privoxy program has two new command line arguments to
install and uninstall Privoxy as a service . Arguments: --install [: service_name ] --uninstall [: service_name ] After invoking Privoxy with --install , you will need
to bring up the Windows service console to assign the user you want Privoxy to run under, and whether or not you want it to run...