Firefox remains one of the most important browser choices on Windows because it offers a full-featured daily browser without simply copying the dominant Chromium path. Mozilla positions it around privacy, control, speed, extensions, and a calmer browsing experience, which still matters for users who want something mainstream but not identical to Chrome.
It fits privacy-conscious everyday users, students, researchers, writers, and anyone who wants a mature extension ecosystem with less dependence on Google’s browser environment. Firefox is also a practical second browser for users who want to separate personal browsing, testing, or focused work from their Chromium-based setup.
What makes Firefox worth keeping is the balance. Tracker blocking is part of the normal experience, there is still a strong add-on library, and features such as reading mode, tab management, and migration tools make it easy to settle in without sacrificing everyday usability. It feels like a real main browser rather than a niche experiment.
The tradeoff is that Firefox can still be the browser where an occasional site behaves a little differently, especially if a service is built and tested mostly around Chromium. That does not make Firefox weak, but it does mean some users will keep Chrome or Edge nearby for the rare compatibility edge case.
My recommendation is to install Firefox if you want one browser that stays practical for normal work while giving you more breathing room on privacy and customization. It is especially good for people who want a calmer main browser instead of simply following the largest ecosystem by default.