Download Putty (the free SSH client), go to http://www.chiark.greenend.org.uk/~sgtatham/putty/ to download it.
Open putty.exe, and fill in your IP/hostname. Log in, and fill in your username and password, then go to the directory where the MTAServer file is. Then type:
./MTAServer
to run it.
If it won't make connection, try to set this:
Go to the SSH tab and select SSH Protocol: 2 Only, it should work..