Get Firefox dotcom.

Download, install, & run.

Menu -> Add-ons and themes -> Extensions -> Find more add-ons: "ublock origin" -> uBlock Origin by Raymond Hill -> Add to Firefox

Why?

Because now that Chrome has dethroned Internet Explorer, one dark lord has been replaced by another:
https://www.bleepingcomputer.com/news/google/google-chrome-warns-ublock-origin-may-soon-be-disabled/

Is Firefox the best Web browser? No, far from it! But it's the *least* bad choice of browser that works with the modern excuses for websites you use.