macOS Big Sur continues the list of Central California landmarks as well as marks the new operating system for Apple. 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.
Because we have uploaded the macOS Big Sur Beta ISO on Mediafire. Therefore, it will not take the virus and malware and it will be very safe to install using it. Click on the download link below then get macOS Big Sur on your Pc. How to create a bootable macOS High Sierra installer drive Put the macOS High Sierra installer on an external USB thumb drive or hard drive and use it to install the operating system on a Mac.
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.
Open the Terminal and write: sudo / Applications / Install macOS Beta.app/Contents/Resources/createinstallmedia –volume. Press space and drag the USB stick icon initialized a little while ago to the right of the Terminal command and press Enter. Specify the password of the administrator user. STEP 1: Download macOS Mojave Public Beta. Enroll in the Free Apple Beta Software Program 2. Download Public Beta Access Utility 3. The Mac App Store will open. Download macOS Mojave Public Beta. The Application Install macOS Mojave Beta will appear in /Applications. STEP 2: Prepare Bootable USB Drive.
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 Beta 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 package
You can install Big Sur only if your Mac is currently running macOS Catalina.
macOS Big Sur is now only in Beta. It hasn’t gone public yet, so you have to be an Apple Developer to download it. Don’t worry. You can obtain this highly noble status when you enroll in Apple Developer program. But for now, we’ll assume that you’ve signed up as an Apple Developer and have your account set up.
Alternatively, visit: https://betaprofiles.com/
This is the best open source for developer betas. Or if you are an Apple Developer:
After you’ve chosen among Operating Systems, you’ll get to this screen.
This will not download the macOS itself, but for now, only a pre-install package.
How To Download Macos Sierra
The final destination of the above steps is the Software Updates window. It should have launched automatically but if it hasn’t, you’ll find it in System Preferences > Software Updates.
Wait for the installer to download onto your drive. You will see the macOS Beta intro screen.
Don’t click Continue for now but close this window by choosing Quit Install.
We only want to make sure that the app called Install macOS Beta.App is now firmly sitting in your Applications.
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 close 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 Beta.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled
![]()
Type in your admin password and press Return and Y to confirm the action.
This command creates a bootable USB installer based on macOS Beta. app, which we’ve previously placed in your Applications.
4. 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.
Install macOS Big Sur on incompatible MacsHow To Download Macos 10.13
Is your Mac computer NOT compatible with the new macOS Big Sur operating system? Do you want to download and install macOS Big Sur even on those Macs that are not officially supported / compatible with this OS?
No problem!
How To Download The Macos Beta To Usb Drive
A very simple and very fast guide to follow is available that allows you to “force” the installation of macOS Big Sur even on officially unsupported machines, including most of the Macs presented in 2012 and 2013.
Without wasting time, we immediately see how to proceed to have macOS Big Sur also on all those Macs that are not officially supported by Apple.
Macs not compatible with macOS Big Sur: what are they?
Here is the complete list of Apple computers on which you can still install macOS Big Sur in an unofficial way thanks to the guide that we will see below:
NOTE: if you have one of those Macs on which WiFi does not work, read THIS ITEM to get it working again.
Install macOS Big Sur on incompatible Macs: the requirementsHow To Download The Macos Beta To Usb Bootable
To proceed with the installation of the operating system you will need:
Macos Your Mac DownloadThe guide to install macOS Big Sur on Mac not supported
Here are the steps to follow:
sudo / Applications / Install macOS Beta.app/Contents/Resources/createinstallmedia –volume
xattr -c
followed by space and drag the patch_installer.sh file to the right of the Terminal command
Done! You are now ready to enjoy macOS Big Sur on your Mac even if Apple officials did not allow you to download and install this update.
Conclusions
We are done with this guide.
Let us know at the end of the article how you are with macOS Big Sur on your Apple computer and what you think of this new operating system just released by Apple.
Comments are closed.
|
AuthorWrite something about yourself. No need to be fancy, just an overview. Archives
December 2020
Categories |