macOS 10.16 Big Sur

macOS Big Sur FAQ: All your questions answered

Apple's promotional image for the macOS Big Sur software update for Mac computers

Some people have already downloaded, installed, and gotten used to macOS Big Sur. The newness has probably already worn off for them! But if you’re still contemplating whether or not you should, aren’t sure if you’re Mac model can handle it, or just want some basic questions answered, here’s your macOS Big Sur FAQ.

How to do a clean install of macOS 11 Big Sur

Power users usually prefer to start a fresh new installation of Big Sur rather than upgrade the existing copy of the macOS operating system on their Mac. If you're among them, you'll need to perform a clean install of Big Sur. The process entails doings things such as backing up your Mac, wiping off the current operating system and creating a bootable installer. Follow this tutorial for detailed instructions on how to perform a clean install of macOS Big Sur.

How to force universal Mac apps to run under Rosetta emulation instead of natively

Apple provides the enhanced Universal 2 binary feature to its developers who wish to ship macOS apps that pack in code for both Intel and Apple Silicon systems. In other words, a universal binary runs natively on both Apple M1 and Intel-based Mac computers because it contains executable code for both architectures. However, certain edge cases may justify running a native Apple Silicon app under Rosetta emulation, and we show you how it's done.

How to boot your M1 Mac into macOS Recovery

Promotional Apple graphic depicting Apple silicon MacBook Pro with the lid half open

macOS Recovery mode is the built-in recovery system of the Mac for troubleshooting your computer. Hopefully, you'll never need to use Recovery mode, but if you ever do, it pays to know that macOS Big Sur has changed how the user invokes macOS Recovery mode on Macs with Apple Silicon. Follow along as we show you how to enter macOS Recovery on M1 Macs.