What Is Mac Cleaner? Mac Cleaner is a utility application which helps you remove unwanted files and optimizes your Mac. It usually comes with features such as RAM cleaner, Junk and temp files remover, disk cleanup, memory cleaner and optimizer to thoroughly clean & maintain your Apple computer’s health. Once the clean installation of macOS Sierra is up and running on your Mac, you can either restore your data from a Time Machine backup using Migration Assistant (found in Applications/Utilities). CCleaner ® for Mac. A Mac collects junk and unused files just like a PC. Find and remove these files with the click of a button so your Mac can run faster. Speed up boot times with easy management of Startup items. Clean your Mac of old clutter. Clear up your recycle bin, temporary files and folders, broken permissions and more.
Protects you from Mac threats. Detects and removes viruses, ransomware, and other malware in real time with advanced anti-malware technology. Catches dangerous threats automatically, so you’re protected without having to even think about it. Beneath its deceptively simple design lies a powerful virus cleaner that works in real-time to detect and remove not only Mac-specific viruses and spyware, but PC and mobile threats, too. So AVG AntiVirus not only helps protect all that’s important on your Mac, it also prevents you from infecting friends on other devices.
Behold, the day has come! Apple’s macOS 10.14 Mojave is out and available as a free download now
Let's start with a quick overview of what you get in the new system and why it's worth installing:
Clean install is a bit different from a regular upgrade. You’d usually simply roll the new macOS right over your old one. You get a new desktop wallpaper and all your applications and files right where you left them. Including the ones you don’t want anymore, and including some system junk left from the previous OS.
Which is why if you feel like there’s a need for a purge — in the best meaning of this word — among your files and system leftovers, it makes more sense to run an clean install. The usual reasons are: system jut has started to affect your Mac’s performance, you need to make sure your old data is cleared, you’re selling a Mac or passing it to a new owner.
Or maybe (and we get you) you just want that freshly-bought Mac experience again.
If you did a clean install of macOS High Sierra last year, here's some good news: it's pretty much the same. If you haven't, another good news: we'll take you through it step by step.
How to prepare your Mac for the clean install
Before you do anything, check that your Mac is able to run Apple's new operating system. If you were able to run the previous macOS High Sierra with no visible issues, you're probably fine. But just in case, double-check. We'll also give you main requirements below.
To complete the clean install procedure, you'll need:
Make sure your Mac is ready to Mojave
First of all, check that your Mac is compatible with new macOS. Here's a list of Macs that can run the Mojave:
You'll need at least 4 GB of free space on drive. Not too much but keep that in mind before you start.
Choose the right way to clean install macOS 10.14
There are a few ways to correctly run a clean install and they mainly depend on how your Mac hard drives are structured. Now, if your Mac has one single drive, not broken into parts, and it is the drive where every file you own is stationed, as well as your system, they your only choice is to clean install on the startup drive.
Keep in mind: if you proceed to do it on your startup drive, all your files and data will be permanently removed. To keep them safe, you’ll need a backup, we’ll tell you how to do it, no worried.
If your hard drive is partitioned (broken into volumes), or you have another drive, you can clean installing on a non-startup drive. This way your files are preserved, since it’s a more lenient way of OS upgrade. Only the system gets cleared and reinstalled with a new one, while the rest of the drive is left intact.
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If you don’t know which one you have, go with the first option, startup drive.
How to clean install macOS Mojave on a startup disk drive
Make sure you’ve got everything ready to clean install Mojave and let’s get down to business. It’s going to be easy because we’ll take you step by step through the safest way to do it.
We’re going to mention a few applications you’ll need during the process. Worry not, you won’t need to look them up on the web, and all of the apps are available on Setapp. It’s a subscription collection of Mac apps, you can use any app in there once you download it on your Mac. It has a weekly free trial, so go ahead and sign up.
Since clean installation involves wiping your Mac’s main drive, it’s vital that you back it up immediately before you start. And since some of those files are junk, backing them up would be, well, unadvisable. So it’s usually a good idea to remove extra files before the backup with a Mac cleaner, like CleanMyMac. Run it and give your High Sierra a polish before clean installing Mojave.
1: Clean up your Mac
Time to remove every junk-looking thing you can find — old movies and media files, apps you never use, cache and system trash, duplicate files that you accidentally copied a few times. All the hard-drive-space-eaters, all have to go.
This might sound like a lot of work but it’s actually about 10 minutes when you have the right software. Open CleanMyMac
and run a full scan. This will remove system junk, old caches, and random unused files. To get rid of apps use the Uninstaller tab, and for the big media files run the Large & Old Files search.
You've probably enjoyed the ability to store images in the cloud and keep all of them despite limited space, which means you've got a lot to clean among your photos. To spot and erase those repeating images, try Gemini app. It's made to find duplicate and similar files or folders on your hard drive, so you can delete them and retrieve precious storage space.
2: Backup your data
When all of the extra files are gone and all you’ve got left on drive is what you actually need, time to back it all up. Use Get Backup Pro for the job. It’s better than Apple’s native Time Machine. Also, move your photos and document into the cloud (iCloud, Dropbox, whatever your choice is) or to an external drive, like a USB stick.
And, create a bootable clone, in case of tech issues during the upgrade. This way you’ll be able to go back to where you started easily. Plus, a cloned drive lets you quickly copy files to your new system.
Another tip: if you have any specifically customized apps that took time to set right, make screenshots of app settings. And keep a record of license codes for the apps you’ve bought to restore them when reinstalled.
By the way, if you get Setapp subscription we mentioned before — the problem with license codes will become a thing of the past. All the apps inside are fully active and packed in one suite. No separate purchases, paid upgrades, and so on.
3: Create a bootable macOS Mojave installer
Notice: Apple usually gets protective over previous versions and removes the installer once the next macOS is out. Which is why you might want to grab the High Sierra installer before its gone from the app store (if the link is still active, you're lucky).
Why you might need it: in case the new macOS Mojave refuses to behave on your Mac or you just don't like it, or any other problem occurs and you'll need to downgrade and clean install High Sierra back to your Mac, that's when the installer comes in handy. It's a corner case but better safe than sorry, right? Anyways, now that you have your High Sierra backup plan, you can process.
4: Install Mojave 10.14 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.
To erase your Mac’s main drive:
When the macOS Utilities screen appears, follow these steps:
After the reboot, your Mac will require setting up like a new one. Imagine you just bought it and proceed to fill in all the gaps — WiFi, iCloud with Apple ID, Dropbox, accounts, passwords. Could take a while but remember, it was worth it.
Once the initial process is done, you can start stocking up on software. To reinstall the apps from Setapp, go to setapp.com to get Setapp installer or download Setapp here.
It makes sense to only install those applications you need right now. Other apps can be downloaded later. You don’t need too much clutter on your fresh system.
How to clean install macOS Mojave on a non-startup drive
Just as last year when we were doing the clean instal of High Sierra, 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.
1. Erase your non-startup disk drive
Before you install the new OS on it, you need to erase all data on the drive you’ve chosen for it.
Download node js for mac. To completely remove data with Disk Utility choose the volume you’d like to clean up and click Erase.
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.
2. Download the macOS Mojave Installer from the Mac App Store
To download the macOS Mojave installer, go to the Mac App Store > Updates tab and choose Mojave installer (Here is a direct link.) When it's ready, it's going to launch automatically. You will need to quit it at this point, we're not running it this way.
You don’t need to create a specific bootable drive, use the installer you've just downloaded and install the new macOS 10.14 onto the other drive you have.
3. Install macOS Mojave to your non-startup drive drive
Find the Mojave installer in your Applications folder and launch it. You’ll be offered to choose your target drive for the installation, change it from startup to the one you need. To do it, click Show All Disks and find the needed volume on the list. Finish the installation by simply following the instructions. Your OS is now ready, time to set it up. You’ll have to undergo the same process as if the Mac was totally new.
When you have the system ready, you can start filling it with applications. If you don’t enjoy looking for every app’s licence code, get Setapp. There are 120+ pro apps of high quality, all packed in one suite. Saves time and money and covers hundreds of daily Mac tasks.
These might also interest you:
FonePaw - Solution - Upgrade - Clean Install Mac OS
Other than downloading and installing macOS from App Store, you can also upgrade your Mac to macOS High Sierra with a clean install. A clean install of Mac OS will restore your Mac to factory settings and reinstall new Mac OS on the computer, which is right for you if you want to give your Mac/iMac/MacBook a fresh restart.
This tutorial will explain to you how to clean install macOS High Sierra step by step. You can also apply these steps to clean install macOS Sierra, OS X El Capitan, or the older OS X version on your Mac.
Part 1: Clean Install Mac OS vs Upgrade Mac OS
Usually we install a new version of Mac OS by upgrading to the new version. For example, as macOS High Sierra is released, we download the new operating system from App Store and run the installer to get it on our Mac. By upgrading to macOS Sierra from Sierra, El Capitan, etc., current data on the Mac are preserved and you can use your apps, files, photos and other data right away once the upgrade is completed.
Clean install of Mac OS, on the other hand, will delete all current data on Mac's drive and install on the drive a with a fresh copy of macOS High Sierra. Comparing to upgrading to macOS High Sierra, a clean install is more likely to give your Mac a better performance and it is often used to fix Mac system problems, such as speeding up a slow Mac.
Tip: If you need to recover deleted photos, files, videos, audio from Mac after clean installation, you can use FonePaw Data Recovery.
Part 2: Clean Install Mac OS from USB on Startup Drive
There are two types of clean install of macOS: installing Mac OS on the startup drive and installing the OS on non-startup drive. To perform a clean install on the startup drive, you need to make a bootable USB install drive of macOS, such as macOS High Sierra. Fresh install on the non-startup, on the other hand, requires you to have a second drive on the Mac.
The methods to perform these two types of clean install are different. We will cover the first one - how to clean install macOS High Sierra on Startup drive first.
Step 1: Backup your Mac
To clean install a Mac OS, you have to first erase everything on the drive. Therefore, it is important for you to back up files, apps and other needed data on your Mac before the install of the new OS. You can make a backup of your Mac to iCloud drive or you have to make a Time Machine backup.
Step 2: Make a bootable flash installer of macOS
Next, you need to create a bootable macOS High Sierra USB drive.
Step 3: Erase the startup drive
Firstly, you need to boot up your Mac from the USB flash drive: restart your Mac while holding down the option button, when all of the bootable drives are displayed, select the macOS Sierra installer on the USB drive.
Once the Mac starts up, you will see the following macOS Utilities window.
Click Disk Utility, select your startup drive (usually named as Macintosh HD) and choose Erase. This will delete all contents of your startup, including the current version of the OS, photos, videos, music and other files.
Step 4: Clean install macOS High Sierra
Once the startup drive has been formatted, close Disk Utility and go back to the macOS Utilities window. This time, select Install macOS > Continue. Then choose the startup drive to install the macOS High Sierra.
Let the installation process to complete and your Mac will reboot.
Sierra Mac Cleaner PartsPart 3: Clean Install macOS High Sierra Without USB
If you have an extra drive or volume on your Mac/MacBook/iMac and you would like to keep the older version of Mac OS on your startup drive, it is a good idea to install macOS High Sierra on the non-startup drive to try out the new features. Comparing to install macOS on the startup drive, clean install on the non-startup drive is much simpler because you run the installer directly from your Mac's startup drive with no need to make a bootable USB drive of the installer. https://pauuwxq.weebly.com/blog/download-os-x-dmg-high-sierra.
Step 1: Backup your Mac
Whether to fresh install Mac OS on startup or non-startup drive, it is critical to creating a whole backup of your Mac before a major OS install.
Step 2: Download macOS High Sierra installer
Sierra Cache Cleaner Mac
Then download macOS High Sierra installer from Mac App Store. The installer will be downloaded to /Applications folder and do not run the installer now.
Step 3: Erase the non-startup drive
If your Mac's non-starup drive contains other Mac operating systems, you need to format the drive with Disk Utility.
Go to Application > Utility > Disk Utility. Select the non-startup volume and choose Erase. After erasing the volume, all data on the volume will be deleted.
Note: If the non-startup drive doesn't have any Mac OS or only contains personal data, you may skip this step.
Step 4 Clean install macOS
Run the macOS High Sierra installer. When seeing this window, choose Show All Disk and select your Mac's non-startup disk to install the macOS. The installer will show the estimated time of completion for the installation process. Wait till the install completes.
Mac Sierra Update
Do you have any question with a clean install of macOS High Sierra? Let us know in the comments below.
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