Hey . So first, you need to make sure you have a compatible version of windows. For example, Windows 7 Home premium does not support windows remote desktop.
If you have a compatible version of windows, do the following:
1) Open Control Panel > System and Security > click on "Allow remote access" under the "system" tab.
2) Make sure "Allow connections from computers running any version of Remote dekstop" is selected. Then click on the "select users" button near the bottom and choose the user you would like to allow to connect to the computer using remote desktop. Make sure you have a password login for this user or else anyone can log onto the computer if they know your ip address. Click ok once everything is well.
Now, just confirm windows has opened the firewall to allow remote desktop connections. Go into windows firewall and check for the "Remote desktop" option and make sure it is checked. The default port is 3389. If you have an antivirus with its own firewall, make sure to allow ports 3389 tcp and udp.
Now you need to forward the ports on your router. Your router should say on it how to access it, usually it is by entering 192.168.2.1 into your browser address bar. Look for a number like that on the router. Once you're in the router settings, forwards ports 3389 tcp and udp to the computer you want to be remote desktoping with and save your settings. Now you've successfully set up everything and can go to your playbook.
In the 2x client app:
Alias: Just a name you wish to call your connection.
Server: the wan ip of your router. To find out, go to your computer, open the browser and do a google search for "what is my ip address". Copy this into the Server field. Note that your ISP probably assigns dynamic IP's and so your wan IP address may change from time to time, requiring you to repeat this step.
Port: Enter 3389
Username: username of the user you have allowed access to your computer in step 1.
Password: Password of this user.
The rest of the options are all preference, and you're pretty much done and can connect to your pc now