در صورتی که با پیام The application “Install macOS Big Sur” cant be opend. رو به رو شدید، دستور زیر رو در ترمینال وارد کنید:
sudo chmod +x /Applications/Install\ macOS\ Big\ Sur.app/Contents/MacOS/*
macOS Big Sur elevates the world’s most advanced desktop operating system 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.
Design
New design for apps makes it easier to focus on your content and take action with space efficient toolbars and full height sidebars
Updated menu bar features wider spacing and a new translucent material that becomes more vibrant when you interact with it
Refreshed system sounds include the boot chime and sounds for transferring files, moving items to the trash, locking files, and more
Control Center
Control Center puts your favorite menus and controls in one handy place in the menu bar so you can quickly adjust settings as you work
Additional controls appear when you click to expand Control Center menus
Support for pinning favorite menus from Control Center to the menu bar
Notification Center
Updated Notification Center brings notifications and widgets together in one view
Interactive notifications display additional actions you can take with a deep press
Beautiful, new data-rich widgets for Calendar, Clock, Notes, Photos, Podcasts, Reminders, Screen Time, Stocks, and Weather
Edit view lets you to add new widgets and customize their size
Support for widgets from third-party apps
Safari
World’s fastest desktop browser with industry-leading performance and energy efficiency*
Customizable new start page lets you set a background image and decide what appears, including Reading List, iCloud Tabs, Privacy Report and more
Expanded extensions support and new dedicated category in the App Store for discovering new extensions
New tab design featuring favicons in tabs, and website previews that appear when you hover over a tab
Translation (beta) for English, Spanish, Simplified Chinese, French, German, Russian or Brazilian Portuguese
Privacy Report gives you visibility into how Safari keeps your browsing your business, with an overview of trackers blocked by Intelligent Tracking Prevention
Safari password monitoring securely screens saved passwords for any that may have been involved in a data breach
Safari privacy prompts for extensions let you choose when a website can work with an extension
Messages
Pinned conversations keep up to nine of your favorite threads at the top of the list
Mentions let you direct a message to an individual in a group conversation
Inline replies let you reply to a specific message earlier in the conversation
Message effects for balloons, confetti, lasers and more
#images helps you find and add trending GIFs to messages
Memoji makes it simple to create a personalized character and send stickers that match your mood and personality
Maps
Guides offer recommendations for places to go and things to do, curated by a selection of trusted brands
Look Around to explore cities in a high-resolution, interactive 3D experience
Indoor maps for major airports and shopping centers
Cycling directions helps you find bike-friendly routes to your destination
Electric vehicle routing helps you plan trips for supported vehicles that you add on iPhone
macOS Big Sur 11.2.3 provides important security updates and is recommended for all users.