By clicking on the top of a graph or a table and holding down the mouse button you can drag and drop a graph from one position of the panel to another or even onto another panel. If you drop a graph onto another graph both will be swapped with each other.
At the top right of the graphs, one will find the buttons Edit, Details, and Delete.
PRTG Traffic Grapher is an easy to use Windows software for monitoring and classifying bandwidth usage. It provides system administrators with live readings and long-term usage trends for their network devices. The most common usage is bandwidth usage monitoring, but you can also monitor many other aspects of your network like memory and CPU utilizations.