How to install Rosetta on your M1 Apple Silicon Mac

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How to install Rosetta on your M1 Apple Silicon Mac

Apple silicon-powered Macs, such as the MacBook Pro M1, can run both iOS apps and Mac apps, but they can also run x86-64 software that was built to work on the Intel architecture, thanks to something called Rosetta 2.

Rosetta 2 is the translation layer that allows a Mac with Apple silicon to use applications built for an Intel-based Mac. The translation layer works in the background whenever you use an application designed only for Mac computers with an Intel processor, and automatically translates the application for use with Apple silicon the first time the application is managed.

There are several ways that you can learn which of your applications needs Rosetta, but regardless, your Mac will ask you if you want to install Rosetta the first time you try to launch an application made for Intel.

Simply click on Install,then enter your username and password to allow Rosetta 2 installation to proceed. Once the installation is complete, Rosetta will then be available for any of your applications that need it.

The translation process runs the first time the app is opened, and may cause the app’s icon to bounce for a few seconds before launching, but after that you probably won’t see any performance impacted. Indeed, in some cases, applications built with x86-64 will even be faster in Rosetta than they do on Intel Macs.

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