Connecting to linux desktop from windows
To connect to remote linux from windows desktop
Enable desktop sharing
On linux, from menu select Remote Desktop
System > Preferences > Internet and Networking > Remote Desktop
Check the first two check boxes as shown in figure below.
That's all. Gnome desktop us vinagre, a VNC software to allow remote desktop connection. You can now connect from Windows computer with any VNC Viewer software.
Connecting From Windows
You can use
To connect double click the VNC Viewer software.
Enter IP Address of your Linux computer, click connect.
You will be able to see remote link desktop now.
If you can't it will be firewall on your PC or Remote Linux computer, on linux computer stop firewall by
service network stop iptables -L
Click full screen image from tool bar to go full screen, to exit full screen
CTRL + ALT + SHIFT + F
You can also use RealVNC to connect to Linux desktop same way, but tightVNC looks better.