Don't forget to go into your router and redirect port 3389 to your PC's IP address. You can change the default port of 3389 to something else if you want the extra security.
1. Start Registry Editor.
2. Locate and then click the following registry subkey:
3. On the Edit menu, click Modify, and then click Decimal.
Type the new port number, and then click OK.
Quit Registry Editor.
4. Restart the computer.