For a direct, verified file, you can access the Mozilla Release Archive . Look for the .exe installer in the win64 directory.
YouTube requires newer media codecs and DRM (Widevine). Fix: Not fixable. Use a third-party frontend like Invidious, or accept that you cannot watch modern streaming video on Firefox 52.0.1. mozilla firefox 52.0.1 64 bit download
Have questions about legacy Firefox builds or need help finding a specific plugin? Leave a comment below. For the latest security news and browser archives, bookmark this page. For a direct, verified file, you can access
Whether you are a developer testing legacy web applications, an enterprise user stuck on an older operating system (like Windows XP or Vista), or a privacy enthusiast looking to leverage the last version that supported certain legacy add-ons, finding a safe and reliable is a challenge. Fix: Not fixable