ArcSight Logger comes with a trial license that you can use for a 90 day evaluation period. After the evaluation period is over, only System Admin page will be available to insert a valid license. To upload a new license, open System Admin in the menu bar, and then click License & Update in the System section. For instructions, see Updating Your Logger License.
The trial license gives you access to the following:
EPS and GB per day are available in trial license and they can be managed both by ArcMC or as Standalone ArcSight Logger.
Note: EPS will appear as the default license during trial. However, you can transition to GB if required. To increase the data limit, follow the instructions in License & Update.