1. Select or create a list view that includes the profiles and permissions you want to edit.
2. To edit multiple profiles, select the checkbox next to each profile you want to edit.If you select profiles on multiple pages, Salesforce remembers which profiles are selected.
3. Double-click the permission you want to edit.For multiple profiles, double-click the permission in any of the selected profiles.
4. In the dialog box that appears, enable or disable the permission.In some cases, changing a permission may also change other permissions. For example, if “Customize Application” and “View Setup and Configuration” are disabled and you enable “Customize Application,” then “View Setup and Configuration” is also enabled. In this case, the dialog box lists the affected permissions.
5. To change multiple profiles, select All n selected records (wheren is the number of profiles you selected).
6. Click Save.