Mac Fresh Install

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6) The Mac boots into macOS Utilities (see image below), listing four options. Select Disk Utility from the list, then click Continue. 7) Select “Macintosh HD” or whatever you’ve named your Mac drive. This is the drive that you wish to format and make the clean install onto. 8) Click the Erase button. Step 8: As you are using the fresh copy of MacOS on Mac machine, so you need to set up the OS and for that connect the Mac with the Wi-Fi and then sign in with the Apple account. Step 9: After signing in, you can access the several products of Apple such as iCloud, DropBox and many more.

  1. Mac Fresh Install
  2. Mac Fresh Install Mojave
  3. Mac Os Catalina Fresh Install
  4. Mac Fresh Install For Sale
  5. Mac Os Sierra Fresh Install
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How to Create macOS Catalina USB Installer on Windows – Hackintosh; How to Create macOS Catalina USB Installer For Hackintosh; macOS Catalian USB Installer Created. Once that’s done, setting up some BIOS settings will take to the installation part. When that’s ready, boot up with the USB and simply install it on the empty hard drive. Need to install Android SDK platform tools on your PC? This tutorial will help you easily install ADB and Fastboot on your Windows, Linux, or macOS PC. The instructions also allow you to setup and enable USB debugging on your Android device. A detailed guide on how to install ADB and Fastboot.

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A free public version of macOS Big Sur 11 has been available since November 12, 2020. It offers the best Safari we’ve ever seen, a huge design upgrade, and one very neat Control Center. Ready to dive in? Let’s see how you can do it.

There are two ways to install a new macOS: 1) run a regular upgrade via Apple’s main menu (replace your current macOS with Big Sur on your startup drive); 2) start from scratch and clean install macOS. Option number 2 is a bit more cumbersome and takes more time — but there are many benefits to it. In this article, we explain how to clean install macOS Big Sur without any trouble and why it’s good for your Mac.

Why you should clean install macOS 11

As soon as the new macOS appears, we can’t wait to try it. With Apple promising lots of awesome enhancements, it’s hard to resist the temptation. So it’s no wonder people tend to rush things and choose the quickest way to upgrade macOS — the regular install. Not only is it faster, it also allows you to maintain all your saved settings, apps, and files on a new system. But is it really something your Mac wants?

Speaking in defense of clean install, here’s how it benefits your Mac:

  • You get rid of the unnecessary clutter and old system bugs
  • Your Mac will run faster — as if you’ve just recently unboxed it
  • Uninstall software you never use
  • Fix common problems like Mac slowing down, freezing, etc.

Generally, installing a new macOS Big Sur on a clean drive will give your Mac enough space to breathe. You’ll be less likely to experience common Big Sur problems and you’ll get a chance to keep only the data you really need. It’s like you bring the new furniture in an empty apartment instead of a cluttered one.

macOS 11 compatible Macs

Before you take any steps to switch to Big Sur, make sure you check compatibility. With the release of macOS 11, Apple moved a year or two ahead in terms of supported devices, so the chances are your Mac might be off the list (ouch). Here are the Macs that support Big Sur:

  • MacBook (2015 or later)
  • MacBook Air (2013 or later)
  • MacBook Pro (2013 or later)
  • Mac Pro (2013 or later)
  • Mac Mini (2014 or later)
  • iMac (2014 or later)
  • iMac Pro (2017 or later).

Not sure which model you have? You can easily check it by clicking on the Apple icon > About This Mac. You’ll find the information you’re looking for in the Overview section.

Steps to clean install Big Sur

Once you’ve decided to start anew with macOS Big Sur, you’re only six steps from achieving your goal. Make sure you follow all of the steps and have a safe experience.

Step 1: Remove all the junk

When we say that clean installation removes everything from your Mac, we forget one important detail — a backup. If you back up your Mac before upgrading, you’ll be able to restore all your files on the new macOS (and with it all the clutter your old system contained.) You want the files back, but you don’t want the clutter. So the first step should be a thorough cleanup of your system.

No worries, it only sounds intimidating. Apps like CleanMyMac X allow you to remove all the clutter — from old caches to file duplicates — in one click. Here’s how to get ready for your Mac backup:

  1. Open CleanMyMac X > Smart Scan

  2. Wait a few seconds for CleanMyMac X to finish the scan

  3. View the unneeded files detected by CleanMyMac X and click Remove.

You can also choose to remove system junk only (find the option in the Cleanup section). This will delete most of the redundant files and let you reclaim lots of storage space. Still, a smart scan cleanup will do a better job while it can also detect potential malware and provide insights into your Mac’s performance. So if you have a couple of minutes, spend it on Smart Scan.

Step 2: Create a secure backup of your Mac

Many people use Apple’s native Time Machine to back up their files, but we don’t recommend it. Users report Time Machine tends to carry over macOS issues into new installations. What’s more, Time Machine can’t do bootable backups, which means you’ll have to go through a long restoration process in case there’s a drive crash or an error of any kind.

Get Backup Pro is a third-party backup utility that makes sure you run zero risks when you clean install Big Sur. And not only Big Sur. It’s generally the best alternative to Time Machine we’ve seen so far. Get Backup Pro allows you to create both backups and bootable clones so you can easily take your data to a replacement drive in case something goes wrong. Plus, you get great features like compression, backup scheduling, and the ability to choose specific files for a backup.

Install

Here’s how to back up your Mac before the Big Sur upgrade:

  1. Open Get Backup Pro and select Backup in the sidebar
  2. Click on the plus button to create your backup project
  3. Customize destination (make sure you save your backup to an external drive)
  4. Add files and apps data to your backup by clicking on the plus button
  5. Hit the Backup button (it looks like the Play button) to start the process.

Step 3: Download the Big Sur installer

Starting November 12, you’ll be able to access the Big Sur installer in the Apple menu > About This Mac > Software update. Alternatively, you can download the installer from the Mac App Store. It’s free and effortless.

But be careful, it’s important to not rush things here. Your goal is to save the installer to your Applications folder and not to go through the installation process. So if the installer automatically launches, don’t click Continue. Close the window by clicking on “Quit install.” You’ll use the installer later when you clean install macOS.

How To Install Mac Os On Usb

Step 4: Create a bootable USB installer

Prepare a flash drive USB with at least 16GB of free storage. Connect it to your Mac and start creating a bootable USB installer. First, you’ll need to erase everything from your drive:

  1. Access Disk Utility on your Mac
  2. Select your drive from the list of internal drives and click Erase
  3. Set the format to Mac OS Extended
  4. Confirm that you want to erase the drive.

Next step, open Terminal and enter the following command:

sudo /Applications/Install macOS Big Sur.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled

Remember, “Untitled” is the name of your connected drive. If you name it differently, make sure you replace the name in the Terminal command.

Press Return and Y. You might need to type your admin password to confirm your action. Once the process is complete, click Done and close Terminal. That’s it. You just created a bootable USB installer that’s based on the Big Sur installer you had downloaded before.

Step 5: Erase your startup drive

Time to say goodbye to your old macOS. Erase your startup drive fearlessly — you have your most important files securely backed up. Here are the three steps:

  1. Shut down your Mac and hold down Command + R to enter the Recovery Mode
  2. Access Disk Utility and select your main startup drive
  3. Click Erase in the menu and confirm your action.

Step 6: Clean install macOS 11 Big Sur

Finally, here’s how to do a clean install of macOS using your USB installer drive:

  1. Restart your computer and hold down Option
  2. Go back to the initial screen of Disk Utility
  3. Choose to install macOS from the connected USB drive
  4. Click on Install macOS to confirm your action. Breathe out. And go celebrate!

How to reinstall macOS Big Sur

If you’re not ready to go celebrate because the installation didn’t work, you can try to reinstall Big Sur. All you have to do is restart your Mac and boot in Recovery Mode (Command + R), then click on Reinstall macOS. Hopefully, it works this time.

How to run a regular macOS update

If you don’t want to clean install Big Sur just yet, you can place the new update on top of your current drive, which will preserve all the settings. If your Mac runs on OS X Mavericks or later, you can update directly to Big Sur. Note that Apple recommends you have around 35.5GB available storage and 4GB of memory on your macOS before upgrading. This will be easy to achieve by removing unnecessary files with CleanMyMac X.

Also, even if you run a regular update, do make sure you back up all your data with the Get Backup Pro app. Some might call it an unnecessary precaution. We call it a one-click process that will keep your files safe under any circumstances.

Here’s how to run a standard macOS Big Sur installation:

  1. Click on the Apple icon in your menu bar > About This Mac
  2. In the Overview section, click on Software Update
  3. Click on Update Now to download the installer
  4. Follow the installation instructions on your screen.

macOS clean install safety toolkit

Setapp has CleanMyMac X, Get Backup Pro, and 200+ other top-notch apps that will support your Mac on its way to Big Sur. So if you have the Setapp membership, no need to worry, you’re safe. Even more, Setapp has Disk Drill, a popular data recovery tool — just in case the impossible happens and you lose your data switching to the new macOS. The whole suite of apps in Setapp is free for 7 days, then $9.99/month. Give it a try!

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# Updating OpenCore

So the main things to note with updating OpenCore:

Mac Fresh Install
  • Releases(opens new window) happen the first Monday of every month
  • The Differences.pdf(opens new window) will tell you all the things added and removed from this version of OpenCore compared to the previous release
  • The OpenCore Install Guide will have a note in the header(opens new window) about what release version it supports

So how do I update?

So the process goes as follows:

Install Macos Catalina On Usb Drive

# 1. Download the latest release of OpenCore

Mac Fresh Install

# 2. Mount your EFI

  • So first, lets mount your hard drive's EFI and make a copy somewhere safe with MountEFI(opens new window). We won't be updating the drive's EFI at first, instead we'll be grabbing a spare USB to be our crash dummy. This allows us to keep a working copy of OpenCore in case our update goes south

  • For the USB, it must be formatted as GUID. Reason for this is that GUID will automatically create an EFI partition, though this will be hidden by default so you'll need to mount it with MountEFI.

  • Now you can place your OpenCore EFI on the USB

# 3. Replace the OpenCore files with the ones you just downloaded

  • The important ones to update:

    • EFI/BOOT/BOOTx64.efi
    • EFI/OC/OpenCore.efi
    • EFI/OC/Drivers/OpenRuntime(Don't forget this one, OpenCore will not boot with mismatched versions)
  • You can also update other drivers you have if present, these are just the ones that must be updated in order to boot correctly

# 4. Compare your config.plist to that of the new Sample.plist

  • With this, there's a couple ways to do this:

    • OCConfigCompare(opens new window) to compare between the sample.plist and your config.plist
    • diff (file input 1) (file input 2) in terminal
    • Make a new config based off reading the updated OpenCore Install Guide
  • Once you've made the adjustments, to make sure that you config is compliant with the newest release of OpenCore, you can use the OpenCore Utility ocvalidate: this tool will help ensure your config.plist is matching the OpenCore specification of the matching build.
    • Please note, that ocvalidate must match the used OpenCore release and may not be able to detect all configuration flaws present in the file. We recommend to double check your setting with the OpenCore Guide on what to set everything to, otherwise read the Differences.pdf(opens new window) for more in-depth documentation on changes.
    • To run ocvalidate, cd into OpenCore's Utilties/ocvalidate/ and run ./ocvalidate <insert_config.plist>. Note you may need to run chmod +x ocvalidate for it to execute.

# 5. Boot!

  • Once everything's working with the dummy USB, you can mount the EFI and move it over to the hard drive's EFI partition. Remember to keep a copy of your old EFI in cases where OpenCore is acting funny down the road

# Updating Kexts

  • Updating Kexts is a similar process to updating OpenCore, make a copy of everything and update on a dummy USB in case there's issues

  • The easiest way to update your kexts is via 2 tools:

    • Lilu and Friends(opens new window) to download and compile the kexts
    • Kext Extractor(opens new window) to merge them into your EFI

# Updating macOS

  • So this is probably one of the most challenging parts, maintaining your system through OS updates. The main things to keep in mind:

    • With OS updates, make sure everything has been updated and you have some form of recovery like TimeMachine or an older macOS installer with a known good EFI on it
    • Do a bit of google-fu to see if others are having issues with the newest update
  • I've also provided a bit more of a detailed map of what's changed in macOS versions, see below:

Install Macos On Usb Hard Drive

macOS Catalina:

  • 10.15.0
    • Dual socket and most AMD CPUs need AppleMCEReporterDisabler.kext(opens new window)
    • MacPro5,1 support has been dropped
  • 10.15.1
    • Requires WhateverGreen 1.3.4+
    • Broke DRM for many GPUs(see DRM Chart(opens new window))
    • Requires all previous fixes
  • 10.15.2
    • Fixes Navi support in the installer
    • Requires all previous fixes
  • 10.15.3
    • No change
    • Requires all previous fixes
  • 10.15.4
    • Fixes DRM on many Ellesmere based Polaris GPUs
    • Requires all previous fixes(excluding shikigva=80 for Polaris DRM for most users)
  • 10.15.5
    • UHD 630's framebuffer broke for many, if you receive black screen you may need to swap from 07009B3E to 00009B3E
    • Comet Lake S no longer requires a CPU ID spoof
  • 10.15.6
    • No change
    • Requires all previous fixes for 10.15.5
  • 10.15.7
    • No change
    • Requires all previous fixes for 10.15.5

Install Mac Os On Usb

macOS Big Sur:

Install Mac Os On Usb Windows

  • 11.0.1
    • See here: OpenCore and macOS 11: Big Sur(opens new window)
Cloning Your Data to a New Hard Drive in macOS
Our primary recommendation for transferring files from an old Mac OS X or macOS drive is performing a clean install of OS X (10.11.6 and under) or macOS (10.12.0 and higher) and migrate your data using Migration Assistant. For instructions please click here. Cloning is a viable option if installing a fresh copy of the OS and migrating your data is not an option.
Cloning is a destructive process that will erase the recipient drive, leaving the source drive intact.
The instructions below are for cloning from the original drive externally to a new drive inside a computer. In certain circumstances connecting the original drive externally is not an option. In those cases using an external hard drive as an intermediate is recommended. This process would consist of cloning the original drive while still inside the computer to a separate external hard drive, then installing the new drive and cloning the external hard drive to that new drive.
Booting into the recovery partition or OS install media
Mac os fresh install After you install the new hard drive, you will need to boot to the recovery partition on the original drive if OS 10.7 or later is installed. If OS 10.6.8 or earlier is installed, you can use the original OS install discs that came with the computer.
Power on the Mac while holding down the 'Option' key. This will display a boot menu that looks like the picture below. Click the drive icon that says 'Recovery' (OS 10.7 and later) or 'Mac OS X install' (OS 10.6.8 and earlier).
The number of drives listed will depend on the number of
bootable drives in your system.
Format your new drive
Once booted into the Recovery partition or installer disc, select your desired language. Next, open Disk Utility by navigating to the Utilities menu in the upper-left corner of the screen, then select Disk Utility from the drop down menu. Once in Disk Utility our detailed instructions for the formatting process can be followed: www.macsales.com/tech_center/formatting.cfm

Mac Fresh Install Mojave

Apple's Disk Utility (10.3.x to 10.12)
WARNING:

Mac Os Catalina Fresh Install

When using the restore process, the files on the destination volume will be erased! Before you restore a volume, be sure to copy any files on the destination volume that you want to save, to a different storage device or cloud account.
  1. Select the new volume (indented icon) and click on the 'Restore' tab.
  2. Drag the old volume to the Source field.
  3. Drag the new hard drive to the 'Destination' field.
  4. Click the check box for 'Erasing destination.'
  5. Click 'Restore' at the bottom to begin the process of copying your data to the destination.

You can also restore one volume from another volume. When you restore from one volume to another volume, it makes an exact copy of the original. For example, you can restore from your startup volume to an external volume to use as a backup.

Mac Fresh Install For Sale


Mac Os Sierra Fresh Install

  1. Select the new drive volume in the sidebar then click the Restore button or choose Edit > Restore. This is the volume that is erased and becomes the exact copy.
  2. Click the 'Restore from' drop down menu, then choose the volume you want to clone the data from.
  3. Click Restore. Once the data has been cloned, Disk Utility indicators will show the status as being 'complete'. Click the 'Done' button.