This tutorial will walk through how to perform a clean install of macOS High Sierra (10.13+). Important note: A clean install requires the Mac hard drive to be erased, meaning all data, files, photos, movies, apps – everything will be erased from the computer. Provided that your OS X is Catalina: Click Restart. Hold down Command + R to boot into Recovery Mode. Click Utilities. Select Terminal. Type csrutil disable. This will disable SIP. Diskutil apfs unlock 'Macintosh HD' Delete the offending file with rm -rf '/Volumes/Macintosh HD/Applications/Install macOS High Sierra.app' csrutil enable. Uninstall Mac apps using Trash. Whether you're running macOS Catalina or an earlier macOS, like.
I ran into this recently on a machine running macOS Mojave (10.14.x), where I was running low on disk space, and still had this installer. The built-in Storage Management application should allow you to find the item in the Applications panel and you can delete it from there. I personally found right-clicking on the item and selecting Delete to be more responsive than selecting it and using. Sep 24, 2019 Make sure that you have access to all installation media for your apps (developer websites, Mac App Store, DVD or CD), and it’s a good idea to make a Note of all apps that you wish to re-install. In addition, be sure that you know all of your online account passwords and logins — for this, a password manager like 1Password can be very useful.
If you are trying to find effective solutions to fix macOS High Sierra update stuck or failure error, you are at the right place. If you cannot download or install macOS 10.13 update on your Mac, or macOS 10.13 gets stuck, freezes or fails to install, don’t panic and just simply follow these instructions.
macOS High Sierra 10.13 downloaded but won’t install!
If you get stuck or fail to install the downloaded macOS 10.13, follow any one of the below tips to fix the issue:
macOS 10.13 High Sierra fails to install/gets stuck or freezes while installing!
You can go with two troubleshooting methods to fix the macOS 10.13 installation failure error:
Method #1. Install macOS update in Safe Mode to fix the macOS High Sierra 10.13 update stuck error
If you cannot install macOS 10.13 in Safe Mode, try a clean installation of the new update.
Method #2. Clean installation of macOS High Sierra 10.13 to fix macOS fails to install issue
To complete a clean installation of macOS High Sierra 10.13 on Mac, you may need to do some pre-installation preparation:
Step 1. Create a bootable installer
To do this, follow below-mentioned guidelines:
Step 2. Clean installation of macOS 10.13
Caution –
If you forgot to create backups for your Mac data before the macOS 10.13 update, you still have a chance to restore lost data due to the update. Remo Data Recovery Software for Mac allows you to restore all data lost due to a macOS update.
You can also utilize this toolkit to recover files lost due to Mac crash, corruption of Mac hard drive, and many more.
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Install Mac Os Sierra Download
Normally when you install a new version of macOS, you just install it over the previous version. It’s quick, easy and means we can be back up and running in no time, with all your apps and data ready to use. Your data remains but your software and file junk remains as well.
That’s why, sometimes, it makes more sense to run a clean install. Whether it’s because your Mac has accumulated so many junk files that it’s performance is badly affected or because you’re passing your Mac onto someone else and want to make sure all your data is removed. Or maybe you just want that fresh out of the box Mac experience again. Whatever your reasons, here is how to clean install macOS High Sierra.
How to prepare your Mac for the clean installDelete Install Mac Os High Seria Appliances
Before you do anything, check that your Mac is able to run Apple's new operating system.
To complete the clean install procedure described below, you'll need:
Choose the right way to clean install macOS High Sierra
Before you proceed, you need to make a choice how to run a clean install. If you only have one drive and it’s not partitioned and this is where you have all your files and your OS, your choice is to clean install on the startup drive. This way entails one important fact: all your files and data will be deleted during the process.
If you have another drive or volume other than your startup drive, use the second way which is clean installing on a non-startup drive. It’s a more lenient and less intrusive way because your Mac doesn’t get wiped clean, only your system.
If you don’t know which one you have, go with the first option, startup drive.
How to clean install macOS on a startup drive
Once you have everything that's needed, let's begin. Don’t worry, this step-by-step guide will walk you through all you need to do.
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The process of performing a clean install involves wiping your Mac’s main drive clean so it’s essential that you back it up immediately before you start. You might not want to backup the files you don’t need and system junk, so make sure to clean that up beforehand. An easy way to go about this is to get a Mac cleaning app like CleanMyMac. It will save to hours of manual file cleanup and polish your system before the backup.
Start with a system cleanup
Delete everything you don't need - large and old files and archives, useless apps, cache data and other junk, duplicate files - all these files silently eat up the disk space, duplicate images are especially hard to find out.
You can always use CleanMyMac to cleanup macOS system junk, large and old files, and remove unwanted apps. You could do it manually, but CleanMyMac only all it takes is a few clicks.
Then you can use Gemini to easily find duplicate files and folders on your hard drive, so you can delete them and save precious storage space.
Backup your data
Now, for the backup itself use Get Backup Pro. It’s more powerful than Apple’s own Time Machine. It’s also a good idea to create a bootable clone, so if anything goes wrong you can go back to where you started easily. Also, a cloned drive makes copying files back to your newly-updated system very easy. And move your images and documents into the cloud or to an external drive, just to be on the safe side.
As well as backing up your Mac, you should also take screenshots of settings in any apps you’ve customized so that you can set them up again quickly later. And make sure you have a record of license codes for apps and passwords for websites.
Clean install macOS, securely
Your Mac deserves a fresh start. Get the right tools for clean installing Apple's operating system.
Create a bootable macOS installer
Install macOS on your startup disk drive
Make sure you backup your Mac to keep your important files, before taking next step, that erase your Mac’s Startup drive. Xiaomi Home.
To erase your Mac’s main drive:
When the macOS Utilities screen appears, follow these steps:
When your Mac has restarted, you’ll need to follow the process of setting it up as if it was a brand new Mac. So, you’ll need to connect to your wifi router and type in the password. Then you’ll need to type in the details for your iCloud account. Then you’ll have to set up a new admin user account.
Once you’ve done that, you can start installing apps. In order to re-install Setapp apps, go to setapp.com to get Setapp installer or download Setapp here. You’ll need your username and password.
It’s a good idea to only download those apps you need to use straight away. Other apps can be downloaded as and when you need them. That way you avoid cluttering up your brand new macOS.
If you use a cloud service like Dropbox, now is the time to re-connect. And you can copy any documents, photos or other files you need from the backup you made at the start.
Find more information about Apple Mac update
Clean Install macOS High Sierra on a non-startup drive
You don’t need a backup for this option, it’s safer and faster than the previous way but only available to you if you have an extra drive or your drive is broken down into volumes.
Here’s how to instal your new macOS on the non-startup disk.
Step 1. Erase your non-startup drive
Before you install the new OS on it, you need to erase all data on the drive you’ve chosen for it. To do it, use Disk Utility. Choose the volume you’d like to clean up and click Erase. Ipados run mac app free.
If you still need some info from that drive, you can use an app like ChronoSync Express to sync it with another drive and keep the files.
Step 2. Download the macOS High Sierra Installer from the Mac App Store
To download it, open the Mac App Store and go to the Updates tab (Here is a link.) When your installer is downloaded it will launch automatically but you need to quit it.
Fortunately, for this option you don’t need to create a specific bootable drive and you can simply use the installer from your startup drive and install the macOS onto the other one.
Step 3. Install macOS High Sierra to your non-startup drive
Launch the Installer from the Applications folder and press Continue. Change the target drive for installation. macOS will offer you startup drive by default so you need to click Show All Disks button and choose your non-startup disk volume. From then on simply follow the installation guide and after that you’ll have to set up your Mac as a new one. That entails creating a new user account, setting up date and time zone etc.
Now that you have the latest macOS, you can enjoy its superior features and top performance. Clean install (when performed on a startup drive) does remove your apps so if you don’t feel like looking for every app and their licenses again, get Setapp. More than 100 apps in one suite available by subscription. Saves you time and money on looking for apps for your daily tasks.
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