The speed depends on multiple factors, such as operating system specifications, system resources and network connection on all computers. Traffic beyond your service provider can affect your speed as well.
Change and test different encoding, see next section below.
Reduce the resolution, e.g. 1024x768 or 800x600.
Remove or disable any desktop or wallpaper with picture or graphics, if possible change it to a solid color while connected.
Reduce bandwidth usage by closing any streaming audio, video or real time chat programs.
Close all the programs that are not required to conserve resources.
On many viewer's networks and PCs, Hextile encoding can help improve the performance.
Connect to the Remote PC.
Click on the Viewer Icon > Preferred encoding: Hextile > Click OK.
