A browser is the software used to view websites on the internet.
Here is a list of the most popular browsers. They are all free, and can be downloaded and installed from their respective website. Internet Explorer only runs on Microsoft Windows, the others run on both Windows and Apple Mac.
Use these links to download the browser software:
There used to be big differences in browser features and how they displayed websites, but these days all browsers display websites well, and have similar features.
Give them a try, you’ll need to use each one for a few days to really get a feel for it, and you will start to see subtle differences in the way websites display in each browser.