Tolong jelaskan mengenai Cara ngaganti landihan/ngahapus akun dari Wikipédia:LD dalam bahasa sunda

For changing your username see Wikipedia:Changing username.

A username cannot be deleted. If a username was deleted, all the edits made by the user could not be properly attributed. You can, however, change your username, and request that your userpage be deleted by placing  on the top of the page. See also Wikipedia:Right to vanish.