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Now to install the beta or alternative version of the Mac operating system on your external drive. Open a finder window, go to Applications and find the Catalina of Big Sur beta installer (or. Computer - MacBook Software - Mac OS X 10.5.8 Internet - Safari I want to download a large file directly to my external drive. It is to large to copy to the in. Additionally, Apple will allow third-party apps to import files directly from the external drive, so you don't have to go through the Files app or, for instance, Photos. This will speed up workflows, letting you, for example, import your photos directly into Lightroom CC instead of the Photos app.
Apple released macOS Big Sur on November 13, 2020. Slidepad app for mac. macOS Big Sur continues the list of Central California landmarks as well as marks the new operating system for Mac. Those who tried it say that it’s more stable. It also sports a refreshed version of Safari that is 50% faster than Chrome. Here’s how to perform a clean install of macOS Big Sur with pictures and helpful tips along the way. What is a clean install? (Big Sur or any other macOS)
A clean install means that you install the macOS onto the erased drive.
Why is clean install more preferable?
A clean install is the opposite of macOS upgrade. You format your hard drive, and therefore, it keeps no leftovers from the previous macOS.
Basic steps to clean install macOS Big Sur
The first step is to clean and back up your Mac to some external source. Then, you’ll need to download macOS Big Sur package to your Applications. Next, you’ll need to create a bootable USB installer (involves another external drive). And lastly, we’ll use Disk Utility to erase your Mac and install macOS Big Sur using the bootable USB device.
1. Clean & Back up your Mac
Cleanup
Cleaning your Mac is generally a healthy practice but since we’re about to back your Mac up, it’s worthwhile to get rid of system junk first. After we’ve cleaned your Mac, you’ll end up with a refreshed system ready for a Time Machine backup.
Time Machine will make a snapshot of your system. And just like you “do yourself up” before a photo shoot, we’ll ensure your Mac looks good and tidy. To clean your machine automatically, you can run CleanMyMac X. This tool is the best-ever cleaning utility for Mac (no joke), and it’s been notarized by Apple.
Download the free version of CleanMyMac X cleaner here.
Install the app and click on System Junk to perform the scan.
Back up your Mac
Now, you’re ready to back up your computer. There is a tool built just for that purpose, you guessed it, Time Machine. Time Machine needs a storage source onto which it will copy your system.
So, you’ll need an external drive. This is the first external drive that we will use to clean install macOS Big Sur. This is the reserve backup option for the worst-case scenario.
Well done. The preliminary steps are done with, and we’re ready to clean install macOS Big Sur.
2. Download macOS Big Sur installer
macOS Big Sur has been released on November 12, 2020.
Since the public release in the fall of 2020, macOS Big Sur can be downloaded from the Mac App Store. It also can be found in the Software Updates pane in System Preferences.
So you’ll find it in System Preferences > Software Updates.
Wait for the installer to download onto your drive. You will see the macOS Big Sur intro screen.
Don’t click Continue but for now, close this window by choosing Quit Install.
We only want to make sure that the app called Install macOS Big Sur.App is now firmly sitting in your Applications.
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This is the file we’ll use later to run the clean install of macOS Big Sur via Disk Utility.
Now, and only now have we come to clean installing macOS Big Sur. This is only a short stop on the road, so catch your breath, and let’s move along.
3. Create a bootable Big Sur installer
Now, it’s time to grab another USB flash drive and connect it to your Mac. This drive should have at least 16 GB of storage space.
Wipe the drive clean with Disk Utility
All data on that disk will be lost, so beware.
Go to Terminal (Phew, we’re almost there)
This step will actually create the source disk so we can install Big Sur from bootable USB.
Launch Terminal app from your Launchpad.
Paste in the following command:
sudo /Applications/Install macOS Big Sur.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled
Installing Mac Apps Directly To External Drive Windows 10
Type in your admin password and press Return and Y to confirm the action.
This command creates a bootable USB installer based on macOS Big Sur.app, which we’ve previously placed in your Applications.
Apple Mac External Hard Drive4. Erase your startup drive in Disk Utility
It’s time to wave goodbye to your current configuration. Remember, we’ve already cleaned it up from junk with CleanMyMac X and backed it up onto our first reserve USB drive.
Now, start your Mac in Recovery mode:
Voila! Your Mac is now formatted. What you can do now (actually, this the only thing you can do now) is to clean install macOS Big Sur 11 from the connected USB installer drive. If it’s not connected, connect the bootable USB installer now.
How do I regularly install macOS Big Sur?
The regular install is done via upgrading your current macOS. That is, you don’t erase your entire disk. When the new macOS Big Sur is officially released, you just open the App Store > Updates.
Or even better, go to your System Preferences > Software Updates
How to reinstall macOS Big Sur?
If for some reason your Big Sur macOS doesn’t work as expected, you can reinstall it by sending your Mac into Recovery Mode.
That’s it.
As we’ve just seen, running a clean install of macOS Big Sur could be a crazy rabbit hole. We hope you survived. Now you’ll be rewarded with the best Apple’s operating system up to date. You’ll also have a clean Mac that works at blazing speed with a little extra help from our favorite Mac cleaner — CleanMyMac X. You can get started with a trial version — so download it here.
Have you ever thought of carrying your Mac OS on an external device and gain access to it at any time? If the reaction is yes, then you have arrived at the right post. We will be providing you with the information through which you can install macOS High Sierra on an external drive.
Part 1. How to Install macOS High Sierra on the External Drive
Before beginning the process, there are a few requisites that you must meet. You will need an external drive with a minimum capacity of 16 GB, and second, you will need the copy of the macOS High Sierra installer. You can obtain the installer from the App Store by searching for 'macOS' and download it to your Mac hard drive.
Change focus app mac. Step 1: Formatting the External Drive
To allow the external drive to function as the startup disk, you need to format it to Mac OS Extended and employ GUID partition map. Start the utility disk. You can find it under the Applications category or search it using Spotlight.
As utility disk runs in the background, you can check for the format of the external drive. In the following example, the drive is in Master Boot Record format. First, unmount the drive. After unmounting, you can select the same drive from the left of the window as shown in the figure below. Now, from the tabs that appear in right window, choose 'Erase' option.
In the next window, you can now format the external drive as 'Mac OS Extended' and opt for GUID Partition Map. If you choose to, you can also give it a name. Press 'Erase' to proceed. After completion, you will see the following screen. Press 'Done' to proceed.
Step 2: Installing macOS High Sierra on the External Drive
After you complete the download of the macOS installer, double click the same from the Applications folder to begin the installation procedure. Press 'Continue' in the following screen.
Click 'Agree' to the accept license agreement. In the next window, press the 'Show all disks' option. The window will display the local drive and the connected external drive. Choose the external drive in this case. You will have to key in your system user name and password.
macOS High Sierra will begin installing on the selected external hard disk. It requires some time to complete the task. You can wait until the process is complete. Before it completes the installation, the Mac will restart. Therefore, it is preferable to save any other work that is in progress.
After restarting, the Mac will take a minimum of 15 minutes to complete the installation process. It will then reboot from the new device. You then have to proceed with the general process of activating Siri, time zone, and adding the user account. Once you complete these actions, you will possess the new version of macOS High Sierra on your external drive. Do not remove the external drive, as Mac OS will access the files on the drive periodically. You can now use the same every time you wish to use High Sierra.
Part 2. How to Use macOS High Sierra with the Bootable Hard Drive
As you now have macOS High Sierra in the form of bootable hard drive, you can use it with another compatible Mac or when the situation demands. However, remember that using the external device as a bootable drive will slow down the functioning of the system. More importantly, it is useful only when you are facing trouble with your existing internal drive of the Mac.
The following information will be helpful in case if you choose to use macOS High Sierra with the bootable hard drive:
Step 1: If there is a trouble with the current hard disk, and you wish to solve it or use the new version of the OS, then plug the bootable external drive to the Mac.
Step 2: Power on the machine and hold the option button until you notice the recovery screen appear. From the screen, you can choose the bootable external device that you have created.
Step 3: You will boot into the macOS High Sierra version for that particular session.
Recoverit
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