One of the most obvious and easiest ways to add another layer of protection to your computer is protecting your account with a password. It’s easy enough to do and you can either supply a new password during install, on first run of your new computer or later on through User Accounts in Control Panel. Although not quite as important on a single user machine, passwords are essential when multiple users have access to the same computer or when trying to lock down your child’s user account with parental controls etc.