Firefox 66.0 (64-bit) LATEST
Windows 7 64 / Windows 8 64 / Windows 10 64
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Firefox Setup 66.0.exe
Firefox (64-bit) 2019 full offline installer setup for PC
Check out the new Firefox, which is first of several releases called Firefox Quantum, getting you to the things you love and the stuff you need faster than ever before, along with a fresh new look.
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Features and Highlights
Crazy powerful browser engine? Check. Less time waiting around for pages to load? Also, check. Get the best Firefox yet.
30% lighter than Chrome
Less memory usage means more space for your computer to keep running smoothly. Your other programs will thank you.
Whether you’ve opened 10 or 1000, switching between tabs is faster than ever with Firefox’s new, responsive engine.
Firefox blocks online trackers while you browse and won’t remember your history after you’re done.
Some ads have hidden trackers that follow you online. Rude. We know. That’s why our powerful tool stops them cold.
Faster Page Loading
By blocking some ads and scripts that bog down browsing, pages load up to 44% faster. Now that’s a win-win.
Uncomplicate screenshots. Take and share them directly from Firefox. That means no more searching for mysterious file names on your computer.
Built right into the toolbar, it’s the ultimate save-for-later feature. View your articles, videos and pages across any device.
Gaming & VR
Engineered for next-gen gaming, It has built-in support for WASM and WebVR. No additional installation needed!
Save time! Find all your favorite content like Pocket saves, bookmarks, browsing history, screenshots and downloads in one spot.
Customize with thousands of extensions like LastPass, uBlock Origin, Evernote and more.
Make over Browser to suit your mood! Choose a new look from our theme categories or create your own.
Set up Firefox your way. Drag and drop features in and out of your toolbar for easy access.
Sync your devices
Seamlessly access passwords, bookmarks and more. Plus, use our Send Tabs feature to instantly share open tabs between desktop, mobile and tablet.
Note: It support for Windows XP and Windows Vista is still available trough Firefox ESR (Extenderd Support Release). Download Firefox for Windows XP or Vista.
Also Available: Download Firefox for Mac and Firefox Portable