To enable a library-level privilege:
Expand the library and select Privileges.
From the list of privileges displayed in the right pane:
Select the privilege you want to edit.
Right-click the privilege and then select Edit.
In the Edit Privilege dialog, select the Granted By Default check box.
Select OK to save your changes.
In general, you can leave the default privilege settings as is. For the complete listing of privileges available on the IRM Server, refer to Privileges.