Use any of the following method to view the time remaining for a trial license.
On your PC, open the Keysight License Manager. If you do not have the Keysight License Manager installed on your PC, download it at http://www.keysight.com/find/licensemanager.
After the Keysight License Manger opens, it displays the license in the tree view (left pane). The right pane displays the Host System information: