Safari is the best way to see the sites on iPhone, iPad, and Mac. Safari Technology Preview gives you an early look at upcoming web technologies in macOS and iOS. Get the latest layout technologies, visual effects, developer tools, and more, so you can provide input on how they are implemented and deliver a best-in-class user experience on all Apple devices.
Preview the latest web technologies. Get a preview of the latest advances in Safari web technologies, including HTML, JavaScript, and CSS. Safari Technology Preview includes the most recent version of WebKit, the rendering engine that powers Safari.
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Easy to update. You can update Safari Technology Preview right from the Mac App Store. Updates occur every few weeks and include the most recent version of WebKit.
Access powerful developer tools. Use the latest version of the powerful Web Inspector and Responsive Design Mode to modify, debug, and optimize your websites.
Provide feedback. Use Feedback Assistant to send feedback directly to Apple about issues and enhancement requests. Simply select Report an Issue from the Help menu in Safari Technology Preview.
Run side-by-side with Safari. Safari Technology Preview is a standalone app that works side-by-side with the current version of Safari, so you can continue to use and reference the current release.
Surf seamlessly with iCloud. Safari Technology Preview works with iCloud, so you can access your latest Safari Favorites, bookmarks, and Reading List.
Keep current. The WebKit blog keeps you up-to-date on the latest developments in HTML, JavaScript, and CSS.
- Trello works on your device, wherever you are.
- Searchlee on Safari is a browser hijacker problem associated with the appearance of aggressive ads all over the screen and the unauthorized replacement of the browser homepage and search engine. The presence of Searchlee on Safari could potentially expose your Mac to different malware threats.
macOS Big Sur elevates the most advanced desktop operating system in the world to a new level of power and beauty. Experience Mac to the fullest with a refined new design. Enjoy the biggest Safari update ever. Discover new features for Maps and Messages. And get even more transparency around your privacy.
What Is The Newest Version Of Safari For Mac
Check compatibility
macOS Big Sur is compatible with these computers:
MacBook introduced in 2015 or later
MacBook Air introduced in 2013 or later
MacBook Pro introduced in late 2013 or later
Mac mini introduced in 2014 or later
iMac introduced in 2014 or later
iMac Pro
Mac Pro introduced in 2013 or later
View the complete list of compatible computers.
Most Recent Version Of Safari For Mac
If upgrading from macOS Sierra or later, macOS Big Sur requires 35.5 GB of available storage to upgrade. If upgrading from an earlier release, macOS Big Sur requires up to 44.5 GB of available storage. To upgrade from OS X Mountain Lion, first upgrade to OS X El Capitan, then upgrade to macOS Big Sur.
Make a backup
Before installing an upgrade, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Find out how to back up your Mac.
Get connected
It takes time to download and install macOS, so make sure you have a reliable Internet connection. If you’re using a Mac notebook computer, plug it into AC power.
Download macOS Big Sur
If you're using macOS Mojave or later, get macOS Big Sur via Software Update: choose Apple menu > System Preferences, then click Software Update.
Or use this link to open the macOS Big Sur page on the App Store: get macOS Big Sur. Then click the Get button or iCloud download icon.
Begin installation
After downloading, the installer opens automatically.
Most Recent Version Of Safari For Mac
Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.
Allow the installation to finish
Please allow the installation to finish without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.
Stay up to date
After installing macOS Big Sur, you will be notified when updates to macOS Big Sur are available. You can also use Software Update to check for updates: Choose Apple menu > System Preferences, then click Software Update.
Or get macOS Big Sur automatically
If you're using OS X El Capitan v10.11.5 or later and your App Store preferences or Software Update preferences are set to download new updates when available, macOS Big Sur will be downloaded conveniently in the background, making it even easier to upgrade. A notification will inform you when macOS Big Sur is ready to be installed. Click Install to get started, or dismiss the notification to install later. When you're ready to install, just open the file named Install macOS Big Sur from your Applications folder.
Learn more
- If the installer shows a list of apps that are not optimised for your Mac, find out more about 32-bit app compatibility, then choose whether to proceed with the installation.
- For the strongest security and latest features, upgrade to macOS Big Sur. If you have hardware or software that isn't compatible with Big Sur, you might be able to install an earlier macOS.
- You can also use macOS Recovery to reinstall the macOS you're using now, upgrade to the latest compatible macOS, or install the macOS that came with your Mac.