This is a portable browser. so we do not need to install it and we can use it with other PC by our portable flash drive or usb thumb drive. This is a portable software and there is mozilla firefox inside Tor projects so we dont need to install Mozilla FireFox also.
How to Browse Block webpages using Tor Browser
first of all Download the free portable tor browser from http://www.torproject.org and unzip it using 7 zip now start Tor Browser the vidalia control panel will connect with tor server and the portable mozilla firefox will start. You will see a congratulations message as Congratulations. You are using Tor pages will appear. Now using the mozilla firfox browser You can browse any close or block webpages .