To select a group, a server, or sensor simply click on it with your left mouse button. To edit an item, double click it.
For more options right click the group's bar to access its context menu:

You can Edit, Pause, and Delete an item through this context menu.
Whenever you select Add, Edit, or Delete a dialog will pop up that shows the exact same editing functionality as you would find in the Web interface:

Please make the desired changes and click OK to return to the Windows GUI.
Note: If the Cancel or OK buttons do not work on your computer, please install the latest updates and fixes for Internet Explorer and turn on Javascript in the browser.
IPCheck Server Monitor makes it easy and affordable to detect network and website failures early. IPCheck Server Monitor helps organizations monitor critical network resources and immediately detect system failures or performance problems to minimize downtimes and avoid economic impact.