Duux (gen1)
1. While logged in, press the cog icon in the upper left corner of the home screen.
2. Scroll down and press "Delete my account.
3. After confirmation, your account information will be kept for another week. If you do not log in during this week, your account and all data will be deleted thereafter.
Duux
1. While logged in, press "Preferences" on the main screen.
2. Press the gear icon next to your account name.
3. Press "Delete my account.
4. Your account and all relevant data will be deleted.