Security and Privacy User Accounts Change your login screen photo — Add your photo to the login and user screens. Understand passwords — It is important to create secure passwords. Multiple User Accounts Add a new user account — Add new users so that other people can log in to the computer. Delete a user account — Remove users that no longer use your computer. Understand administrative privileges — You need administrative privileges to change important parts of your system. Backup your Computer Check your backup — Verify your backup was successful. Frequency of backups — Learn how often you should backup your important files to make sure that they're safe. How to back up — Backup your valuable files and settings to protect against loss. Restore a backup — Retrieve your files from a backup. What to back up — Back up anything that you can't bear to lose if something goes wrong. Why to back up your computer — Back up your computer to prevent your files from being lost. Where to store your backup — Advice on where to store your backups and what type of storage device to use. Protect your Computer Data Collection — Learn more about what metrics Endless collects to improve the user experience. Do I need to scan my emails for viruses? — Viruses are unlikely to infect your computer, but could infect the computers of people you email. Guard your privacy — Make sure you keep your computer and information safe. Virus protection — Learn about anti-virus software and your Endless computer.