Use the instructions in this section to copy a permission set. You can only copy a permission set if you are connected as a superuser. The File > Save As... option only displays for superusers.
To copy a permission set:
Navigate to Administration > Security.
The Permission Sets list page appears.
Select a permission set that you want to copy.
Select the File > Save As... option.
The Permission Set Properties page appears.
Edit general information on the Permission Set Properties - Info page.
Click the Permissions tab to edit/assign permission sets for users/groups.
Click OK.