Brave is an excellent choice, and its built in ad blocking and privacy features make it ideal for a screen reader user.
You can do a web search on whatever browser it is you want to download, along with the word download, and it's almost certain to be the first result returned.
Brave, the Chrome browser, and new Chromium-based Edge are all based on Chromium, and, thus, are very, very similar to use. If you know one of them well, you know at least 90%, if not more, of what you need to know to jump in to the others.
Waterfox is a spin-off of Firefox.
Brian - Windows 10 Pro, 64-Bit, Version 1909, Build 18363
The purpose of education is not to validate ignorance but to overcome it.