Every computer has a browser with it because through a browser we surf the internet to download files, songs and other important stuff. If you are not happy with your current browser then there are other alternatives which you can install on your computer to browse the internet more reliably.
Just take a search on the net you will find hundreds of browsers for your computer, all of them are free to download because I don’t think no one will ever spend money on buying a browser. You can install popular browsers on your computer for free and if you want you can also install multiple browsers on your computer to do your tasks in a more organized way.
If you are running windows computer then you will see you have the Internet Explorer browser installed on your machine and for MAC users your default browser is Safari so if you want to install other alternatives then just watch the top 10 best browsers for you computer and then choose your favorite one to install on your PC.