I)Write an Apex post-install script that makes the metadata updates. II)Write careful instructions on how to make the necessary changes in Setup. III)Create a custom setup wizard to simplify the configuration. IV)Send them a lovely fruit basket. V)A and C (and D couldn't hurt) [bg_collapse view="button-orange" color="#4a4949" expand_text="Show Answers" collapse_text="Close Answer" ] V)A and C (and D couldn't hurt) [/bg_collapse]