Get macOS Big Sur: A Step-by-Step Guide

Are you experiencing issues with installing macOS Big Sur on your Mac? Look no further! This article will walk you through the process of downloading and installing macOS Big Sur using various methods.

To begin, make sure your Mac is ready for the installation process. You'll need to erase your startup drive and create a directory structure on it. To do this, follow these steps:

1. Run the following command in Terminal: `curl https://download.macosforge.net/macOS/InstallAssistant_ springboard.dmg -L -o /Volumes/Untitled/private/tmp/Install macOS Big Sur.app` This will download the Install macOS Big Sur app to your Untitled drive.

2. Change into the `/Volumes/Untitled/private/tmp` directory by running the command: `cd /Volumes/Untitled/private/tmp`

3. Run the following command to copy the Install macOS Big Sur app from macOS Recovery to the `/Volumes/Untitled/private/tmp` directory: `cp -R '/Install macOS Big Sur.app' private/tmp`

4. Create a directory named `private` on your Untitled drive, and inside it, create a sub-directory named `tmp`. Run the following command: `mkdir -p /Volumes/Untitled/private/tmp`

Once you have completed these steps, you can proceed with the installation process.

Method 1: Using the Install macOS App

1. Open the Install macOS Big Sur app on your Untitled drive.

2. Follow the prompts to erase your startup drive and install macOS Big Sur.

Method 2: Using curl to Download Installer Files

1. Run the following command in Terminal: `curl https://download.macosforge.net/macOS/InstallAssistant_ springboard.dmg -L -o /Volumes/Untitled/private/tmp/SharedSupport.dmg` This will download the SharedSupport.dmg file, which contains the necessary installer files.

2. Run the following command to create a directory named `Contents` on your Untitled drive, and inside it, create a sub-directory named `SharedSupport`: `mkdir -p /Volumes/Untitled/private/tmp/Install macOS Big Sur.app directory/Contents/SharedSupport`

3. Copy the downloaded SharedSupport.dmg file into this new directory: `cp /Volumes/Untitled/private/tmp/SharedSupport.dmg /Volumes/Untitled/private/tmp/Install macOS Big Sur.app directory/Contents/SharedSupport`

Method 3: Copying Install App from macOS Recovery

2. Copy the downloaded Install macOS Big Sur app into the `/Volumes/Untitled/private/tmp` directory: `cp -R '/Install macOS Big Sur.app' private/tmp`

Method 4: Creating Directory Structure Manually

1. Create a directory named `private` on your Untitled drive, and inside it, create a sub-directory named `tmp`. Run the following command: `mkdir -p /Volumes/Untitled/private/tmp`

2. Inside this new directory, create a sub-subdirectory named `Install macOS Big Sur.app`: `mkdir -p /Volumes/Untitled/private/tmp/Install macOS Big Sur.app`

Erasing Your Startup Drive

Before you can install macOS Big Sur, you'll need to erase your startup drive. To do this:

1. Go to the Apple menu and select 'About This Mac'.

2. Click on the 'Storage' tab.

3. Select the 'Erase' button.

Alternatively, you can use Terminal to erase your startup drive by running the command: `diskutil eraseDisk`

Installing macOS Big Sur can be a complex process, but with these step-by-step instructions, you should be able to successfully reinstall your operating system. Remember to always back up your data before attempting any installation or reinstallation process.

If you're experiencing issues with installing macOS Big Sur, try using one of the alternative methods described above. And if all else fails, don't worry – there are still other options available to help you get your Mac running smoothly again.

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