Tails is a live operating system, which means it's not installed. Instead, it runs completely from your system's RAM. Because of this, you can run your usual operating system and, when you need serious privacy, insert a bootable USB drive with Tails on it, boot your computer, and enjoy all the privacy you need. Also: How to use Tor to privately browse the web it's easier than you think As soon as you boot Tails, you'll be greeted by a Tor connection window, which all
