The Microsoft KB article 96269 shows you how to use the ftp program that comes with all versions of windows to automate file transfer. You can use the -s option for passing FTP script to the program.

ftp -s:script.txt

The contents of script.txt might look like this:

However, if the FTP host implements automatic login, this command will not work. To turn off automatic login, use the -n switch in the command line.