Install tor (Anonymous Browser) on Ubuntu

First, find your distribution of Ubuntu:

lsb_release -c[/code]

or
cat /etc/debian_version[/code]

Add this line to your /etc/apt/sources.list file:
deb http://deb.torproject.org/torproject.org main[/code]

Install Keys
gpg --keyserver keys.gnupg.net --recv 886DDD89

gpg --export A3C4F0F979CAA22CDBA8F512EE8CBC9E886DDD89 | sudo apt-key add -

sudo apt-get install deb.torproject.org-keyring[/code]

 
Update sources and Install Tor
sudo apt-get update

sudo apt-get install tor[/code]