How to create a bootable macOS Big Sur installer drive

Apple has a brand-new variation ofmacOS It’s called Big Sur, and it’s variation 11.0. In this short article I’ll discuss how you can create a bootable macOS Big Sur setupdrive However prior to I offer directions on how to create the drive, I’ll discuss the products you’ll require and how to get them.

These directions are for the formally launched variation of macOS Big Sur, not the public/developer beta. It was carried out on Macs running macOS Catalina, and once again on Big Sur.

Macworld likewise has bootable- set up-drive directions for:

Get an external drive and possibly an adapter

The macOS Big Sur installer software application is over 12GB, so you require a USB external drive that can hold that much information. The drive can be a thumb drive, tough drive, or SSD.


I utilized this thumbdrive to create a macOS Big Sur installer You can utilize a thumb drive, external tough drive or SSD. The 32GB drive I utilized has both USB-C and USB-A (USB 2 speed, nevertheless, so it’s sluggish) adapters and is readily available on Amazon for about $5.

If you have a 2015 or more recent Mac laptop computer that has USB-C/Thunderbolt 3 ports, you might require Apple’s $19USB to USB-C adapter This will enable you to link a storage gadget that utilizes a USB type-A adapter. If you do not have an external drive and you have a USB-C Mac laptop computer, you might purchase the SanDisk Ultra USB Type-C Flash Drive, which has a USB-C adapter. You can get model number SDCZ450-016G-G46

You require to remove the drive and format it to Mac OS Extended (Journaled). You can do this in the Mac’s Disk Energy app, which remains in the Applications/Utilities folder.

format boot drive macos big sur IDG

Format your boot drive utilizing Mac OS Extended (Journaled). My drive was at first formatted as APFS, and an alert appeared stating that the drive might not be utilized as formatted.

Get the macOS Big Sur installer software application

Big Sur is readily available through the Apple’sApp Store Click the Get button on the upper right, and the Software application Update system choice will open. Click the Download button. The download might take a while.

macos big sur app store Apple

However after the download is total and the installer launches, do not click the Continue button. Given up the installer by pushing Command-Q. Then go to your Applications folder and you must discover an “Install macOS Big Sur” app. You require to have the app there to make the bootable drive.

Utilize the Terminal to make a bootable macOS Big Sur installer drive

You’re going to utilize the Terminal to make your externaldrive a bootable macOS Big Sur installer Do not fret if you have actually never ever utilized Terminal previously, it’s simple. Here are the directions.

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