Open group to which you have to deploy VSE 8.08. in right hand site go to ASSIGNED CLIENT TASK .
IN bottom go to ACTION --New client task assignment---- Select Product---on task type select product deployment --on third pane task name create task use proper information in drop down
Enable shedule day time then save task apply this task to group on which you want.
You can follow the instructions as per Dinesh, for more clarity on the deployment, please go through
NOTE: The Deployment Task allows for command line options to be specified too. This allows you to make simple changes to the installation, such as not installing a particular feature. For a complete list of options, see PD22944.
Also recommend you to go through KB71642 - FAQs for VirusScan Enterprise 8.x, to address your other queries related to VSE.