Portable Software - Opera Browser

Opera is a fast and secure web browser that features pop-up blocking, tabbed browsing, integrated searches, built-in email and RSS client,speed dail in opera..etc . OperaUSB is a portable package for Opera that does not write to the registry nor leave any data on the guest machine where it is run. Opera  browser available for mobile version.

You can download from here .  It’s Freeware and its size 10.74 MB