Before you can make changes to the list or library settings in SharePoint, you must first determine the type of changes you want to make. Here are some suggestions for changing the settings:

1. Set permissions for the list or library
2. Modify the default list or library view
3. Rename or delete a column
4. Modify the ‘New’ and ‘Edit’ forms
5. Disable or enable content approval
6. Manage list or library alerts
7. Change the list template for the list or library
8. Modify list or library forms