1) In your own words, explain what a browser is. 2) Why is it important to keep your browser up to date?

A browser is a software that is used to access the internet. A browser lets you visit websites and do activities within them like login, view multimedia, link from one site to another, visit one page from another, print, send and receive emails, among many other activities

The most important reason to keep your browser up-to-date is for your own safety and security, and that of your computer. ... If you're a Firefox user, your browser will remind you to update your add-ons whenever new versions become available.

Malicious hackers and Web sites can exploit security flaws in browsers and infect your computer with harmful programs, trojans, and viruses. Regular updates to your browser fix security problems when they are detected, and make your computer safer from those types of attacks.

go to edit profile and on the ; eft hand side it has a bunch of options and the very last on says profile picture, click the blue edit sign next to it