This is the protocol on the internet used for sending and receiving files. This is the standard that most professionals use to upload (send) and download (retrieve) files to and from a server.

Anonymous FTP a way for the public to download files. It is anonymous because the identity of the user is not required to access the files.

There are a lot of FTP sites that are restricted. These sites require a valid username and password before they can be accessed.

There are various FTP programs available. Here are a few you might want to try out: