macOS Sierra is a fantastic update arriving from Apple to make us love our Macs even more. It has plenty of new features, and also has the same easy clean install and upgrade flow as did the previous OS.

• Macos Sierra Uninstall Program

Solved: After a hard disk problem I was forced to restore from a 'Time Machine' back up to a new drive now running sierra. My CS 4 production suite apps - 9393093.

LEARN MORE: How to Clean Install the macOS High Sierra?

Note, that getting an upgrade is the easiest way of installing the new macOS. It saves all your personal files, apps and user data, while a so-called clean install of Sierra will erase all data on the startup drive and replace it with a clean copy of OS. But, if you like an idea of giving your Mac a fresh start with a new macOS and nothing else, a clean install is the right option for you.

Also, in case you’ve noticed that with time your Mac is running slower, it has unusual startup or shutdown issues and crashes, a clean install may be a good way to get back the speed and fix the problem.

First of all, make sure that your Mac is able to run MacOS Sierra.

Then, you should prepare your Mac for the installation:

• Download macOS Sierra Installer from the Mac App Store. Once the download completes, it will automatically launch. Quit macOS Sierra Installer app without performing the installation.
• Take a 16GB or larger USB flash drive to create a bootable Sierra installer. This flash drive is only needed for a clean install on your Mac’s startup drive. But if you plan to clean install on a non-startup drive (you have and extra HDD or SSD on your Mac), you don't need the USB.
• Backup your Mac to ensure your personal data is intact.

Clean Install macOS Sierra on Your Mac’s Startup Drive

If you're going to perform a clean install on the startup drive, you need to backup your data, create a bootable copy of the installer, and, finally, boot from the bootable installer. So, let us begin.

Step 1: Clean up your Mac

To make sure Sierra has no troubles installing and works fine after, you need to get rid of system junk on your Mac first. You could clean it up manually, but using a cleaning app like CleanMyMac X will save you hours on that. Junk removal with CleanMyMac takes only a few minutes. Download CleanMyMac for free, launch it, click Scan, and then Clean. Now you’ve got plenty of free space and your Mac is free from system trash.

Step 2: Back up your data

Note: A clean install of macOS Sierra on the startup drive completely erases all data on that drive: all your files and documents, including music, movies, pictures, and even apps.

So, If you skip this step, you wouldn’t be able to recover your data if something goes wrong.

To backup your Mac:

• Open Time Machine.
• Click Select Disk.
• Choose where you wish to save your files (to the external drive or to the cloud storage).
• Click On to turn Time Machine on.
• Click on the “arrow clock” icon and select Back Up Now in the menu bar at the top of the screen.

Step 3: Clean Install macOS Sierra on your startup disk

1. Create a bootable flash drive with macOS Sierra.

First, make sure your USB flash drive is formatted and named as “Untitled”.

• To format a USB drive launch Disk Utility (Finder -> /Applications/Utilities/Disk Utility).
• Select your USB drive under External.
• Click the Erase tab at the top of the Disk Utility window. Select Mac OS Extended (Journaled) from the format list. Then, click the Erase button. When the process is complete, click Done, and close the Disk Utility window.
• If your drive is named something else, you need to rename it (Open Finder -> right click on the USB drive and choose Rename).

Now, your USB flash drive is ready.

• Launch Terminal (Finder Applications Utilities Terminal)
• Enter the following text into Terminal:
  sudo /Applications/Install macOS Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install macOS Sierra.app --nointeraction
• Hit the Enter key.
• Terminal will ask you for an admin password (the one you use to log in). It won’t display characters when you type, so just do it. Hit Return. You’ll see that Terminal erases your drive. Then, Terminal will copy the installer file to your disk. This will take a few minutes. When the process is complete, the Terminal window will report 'Done.' You can quit Terminal and your bootable macOS Sierra installer USB drive is ready for use.

Also, you can follow the instructions from an Apple article on how to create bootable installer.

2. Plug in the bootable macOS Sierra installer USB drive to your Mac.
3. Restart your Mac while holding the Option key or Cmd+R. Make sure to keep it pressed!
4. When Mac restarts, you’ll see the macOS Startup Manager with a list of bootable devices that your Mac can start up from.
5. Use the arrow keys to choose your USB drive with macOS Sierra installer. Press Enter.
6. Select Disk Utility.
7. In the window, at the top of the left bar, select your Mac’s Main Drive (it looks like a MacintoshHD).
8. Select the Erase tab located next to the First Aid button at the top.
9. Near the center of the window, select the Format drop-down list and select Mac OS X Extended (Journaled) type.
10. Click Erase (Note: this will erase all your data from your main drive!) and give the drive some time to format.
11. When it’s done, close Disk Utility and select “Install macOS” from the menu.
12. Select your main drive and install the new macOS Sierra 10.12.

Follow these Sierra install instructions and enjoy your newly clean-installed macOS Sierra.

Clean Install on a Non-Startup Drive

This type of clean install doesn't require you to make a bootable copy of the macOS installer, since you can run the installer directly from your Mac’s startup drive. But you need to have another hard drive or volume that you can use for installing macOS. How to sync messages from iphone to mac.

So, this is the easiest way to clean install macOS 10.12. Simply use an extra drive or volume (it doesn’t have to necessarily be empty already, you just need to be fine with it being erased) and install Sierra there.

Step 1: Erase your non-startup drive

Macos Sierra Uninstall Program

If your non-startup drive has any other Mac OS, erase it before installing Sierra. If the target drive only has personal data on it, or is already empty, you can skip the erase process.

To erase the non-startup drive, use a Mac's Drive Using Disk Utility (OS X El Capitan or later)

After the non-startup drive is erased, you can start the install process.

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Step 2: Download the macOS Sierra Installer from the Mac App Store

When the macOS download completes, it will automatically launch the installer. Quit the macOS Sierra Installer app without performing the installation. You'll find the macOS Sierra Installer in the /Applications folder.

Step 3: Start the Installation of macOS Sierra on the Non-startup drive

• Launch the Installer from /Applications folder.
• Click Continue.
• Check the non-startup drive that you can install Sierra on (usually, the installer will display the default target for the installation of macOS Sierra as the startup drive (Macintosh HD). So, you should to click the Show All Disks button, and the installer will display a list of all attached volumes).
• Click the Install button.
• The macOS Sierra installer will display a progress bar. You'll be guided through the macOS Sierra setup process to create a user account, set up date and time, and other introductory stuff.

Enjoy your fresh, clean-installed macOS Sierra.

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MacOS 10.15 Catalina is the latest Operating System by Apple, launched into the market with a bang! It encompasses many significant improvements and bug fixes.

MacOS 10.15 features many astounding new highlights like the capacity to transform an iPad into a subsequent display, new music, web recordings, book applications, new security attachments and it even provides you with the ability to control your whole Mac with the Voice Control feature on macOS 10.15.

Some major highlights and changes that the new operating system of Mac proudly flaunts are Sidebar i.e. iPad external display, Siri shortcuts, support by Apple Watch, screen time, Voice Control feature and the latest application is known as “Find My”.

We are currently in the tech-savvy era of applications and software. All of us get spammed by applications attempting to drive us to introduce the most recent updates and augmentations or read marking fluff that shows up on pretty much every pop-up window. Perhaps the best way to deal with shielding yourself from the situation is figuring out how to uninstall the applications that you don’t require at the moment.

While the applications are stored in the bin work in particular Mac applications, there is hardly any scope of deleting the applications. This is on the grounds that a few segments of the application might be abandoned, and in the end, this will leave your Mac’s hard drive loaded up with gigabytes of futile mess.

Also Read:-How to Install Mac OS X El Capitan on Virtualbox on Windows

The latest features of this OS would have caught you off guard, prompting you to eagerly install macOS Catalina 10.15 on virtualization software like VirtualBox and VMware or you would be already having it on your personal computer. With the passage of time, you would have installed a few software and applications as per your interests and requirements.

But later on, you are confronting issues with those applications like Advertisement pop-ups, Spams, application getting hanged, and so forth. So, obviously now you have to get rid of those applications but you don’t have a clue how to do it. The following is a once-over of a portion of the methodologies you can employ to completely uninstall applications in Mac.

/Library/Caches
/Library/Logs
/Library/Preferences
/Library/Preference Panes
/Library/Start-up Items
/Library/Cookies

Strategy 2: Using Offered Uninstaller

Some skilled application designers put in a particular uninstaller in the applications, and create in such a way that uninstaller for the several parts amalgamates with the Mac applications that are already downloaded with the support of Internet. It is majorly used only if unique inclinations and required drivers are necessary to the system. Moreover, these uninstallers hardly showcase any of the launchpads and are found in the application files in the Finder.

In this particular event that the application has such an installer, you can uninstall it by basically finding the Uninstaller in Apple Menu and Preferences. It strokes with the procedure of uninstallations and every particular application holds uninstalling processes and interfaces.

Strategy 3: Third-Party Software is there to your rescue!

On the off chance that the aforementioned two techniques don’t work for you, at that point follow this third strategy. Furthermore, most of the applications do not own their in-house uninstallers. They usually prefer third-party software to uninstall any particular application. All things considered; this application is particularly for Mac where you can without much of a stretch to uninstall the application. In such a process, all you have to move ahead with the downloading option and get Clean My Mac software in the system.

In the event that you have installed this software as of now and you need to uninstall the application then, adhere to the mentioned guidelines:

• Right off the bat, open the software
• Then, from the left menu under Applications choose the Uninstaller alternative.
• When you click, you will see every one of the applications that you have installed in macOS Catalina. Accordingly, select the application(s) you need to uninstall by checking the checkbox present next to each app.
• In the last advance, click on the Uninstall option at the bottom of the Clean My Mac software window to totally uninstall all the chosen applications.

With the help of these means available on Clean My Mac programming, you can uninstall all the chosen applications that you have selected for uninstalling. this product will delete every one of the records identified with the application and it will fully uninstall the applications.

Delete/Uninstall Applications in macOS Catalina 10.15

The user can easily learn about the Delete/Uninstall Applications in macOS Catalina 10.15 by accessing the link below. Also, make sure that you have enough back up before you proceed with the same. There are a lot of duplicate ISO images on the market and it is best to download the same from a trusted source.