Can I Delete Install Macos Big Sur? [Simple Ways!]

The software updates on Apple computers are very comprehensive. They sometimes download the available macOS upgradation packages. And Big Sur is one of them. Now you might ask, can I delete install macOS Big Sur?

Of course! You can delete “install macOS Big Sur”. It’s simple to do so. All you have to do is normally move it to the trash. If that doesn’t work, you must put your mac into recovery mode and disable the SIP first.

Besides how to remove the annoying installation file, we have covered a detailed analysis of Big Sur on this page. So reading this might help you to get things straight. Whether you want to delete or install it—the answer is hidden herein.

What Is Macos Big Sur?

Being the successor to macOS Catalina, macOS Big Sur is the 17th upgrade to the mac operating system. Apple has released this OS in november of 2020 via Worldwide Developers Conference (WWDC).

The name Big Sur was taken from the central coast of California. Big Sur is the first macOS to integrate ARM-based processors as the hardware. There are many distinct features of this OS that make it noteworthy.

This version of the Mac operating system offers a unique UI to Apple computer users. Such as, for the first time, Apple introduced a blurring effect to establish a visual hierarchy among multiple applications.  

General Requirements
OS X 10.9 or later
4GB of memory
35.5GB available storage on macOS Sierra or later*
Apple Computer Requirements
MacBook models from early 2015 or later 
MacBook Air models from 2013 or later
MacBook Pro models from 2013 or later
External Features
Time Machine (with an externally sold storage device)
Exchange Support for MS Office 365
Windows Migration to 7 or later

Why Can’t I Delete Install macOS Big Sur?

Normally, if you put “Install macOS Big Sur” in the trash, it will be deleted as it is. However, it doesn’t always happen. When this occurs, it starts causing some problems for  users. Here’s why.

“install macOS Big” Acting Stealthy

It is very likely that the installation files of Big sur are running in the background. Due to this disproportion in the Mac system, it does not let you erase the file.

Enabled SIP 

Having System Integrity Defender (SIP) enabled prevents an Apple computer from deleting its own necessary files. The main function of this feature is to prevent your computer from harming itself. 

Since the Big Sur installation file is a large and a macOS related package, the computer thinks it’s an important file that should be protected.

Malware/Bugs in “install macOS Big”

If your Mac automatically downloaded the install macOS Big Sur file, it may have gone wrong. A bug or a malicious virus could be the reason behind this weird acting. Therefore, it cannot be deleted.

How To Delete Install macOS Big Sur?

There are many ways to remove the “Install macOS Big Sur” app. You can apply the one you want to. But make sure you’re following the exact steps outlined on this page. Otherwise, they will not work out.

Method 1: Use Finder to Delete Install macOS Big Sur 

Depending on your device type, the Finder can be found in various places on your Mac. If you don’t know where it is then try searching on the internet. After launching the Finder, click on the menu. 

Then select “Go” from the bottom of the menu. From there, look for a section called Applications. Find the “Install macOS Mojave” file. Just delete it like  any other file on your Mac. Finally, clean the trash.


Method 2: Use Launchpad to Delete Install macOS Big Sur

To get started with this approach, launch the Launchpad application. There you will find an app called Install macOS Big Sur. Click on it, but don’t worry as it won’t hamper the mac. After that, open the launchpad again.

A question mark will arise above the name Install macOS Big Sur. Then look for the “X” in the options menu. To delete that file, you have to click on the X. Thus, this notification will not bother you later.


Method 3: Disable SIP to Delete Install macOS Big sur

First, reboot your Apple computer. After rebooting, press and hold Command + R  to enter recovery mode. You now have to select Utilities and then Terminal. To disable the SIP, type “csrutil disable”. Now press Return on your keyboard.

Then click the dash icon in the menu bar to restart your computer. After the restart. you can delete it. Once this is done, re-enable the SIP using the same steps. But this time you have to type “csrutil enable”.


What Are The Pros And Cons Of macOS Big Sur?

There are several advantages to using macOS Big Sur that were unseen before with other mac operating systems. However, a few of the characteristics of this OS appear to be weaker to those of the preceding Macs, so let’s have a discussion about this below.


These are the pros of macOS Big Sur:

  • Better Notification Centre: With the launch of the Control Centre logo, we bid farewell to the Notification Centre logo.Whether you find Notification Centre handy, don’t worry: it now shows whenever you tap on the clock.
  • The New Widgets 2.0: The revitalization of widgets is maybe the nicest aspect of the new Notification Centre. Widgets aren’t new to the Mac. But, they’ll display in a much better way alongside your alerts in Big Sur.
  • Better Messages: The macOS Big Sur version of Messages now includes the useful new pin functionality introduced in iOS Messages. This means you may bookmark conversations with your favourite groups and people to make them more accessible.


Among the many flaws of macOS Big Sur, this seem to stand out:

  • Control Centre: The addition of the Control Centre is very redundant on Big sur. It can be reached by tapping just on the new switch logo inside the menu bar next to the clock. 

What Happens If You Delete Install macOS Big Sur?

If you delete the “install macOS Big Sur” file, nothing bad will happen to your Mac. However, before doing so, you may regard backing it up as an important task. 

The following are the reasons why removing install macOS Big Sur is not dangerous:

  • macOS Big sur is nothing more than a software installation package.
  • “install macOS Big” does not contain any data that your Mac is presently using.
  • When you complete installing Big Sur, the installation file is no longer needed.

Frequently Asked Questions (FAQs)

The problems related to Big Sur are too many, which is normal for almost any operating system. Because of this, Mac users often ask a lot of questions about it. Some of them are described below.

Which Is Better MacOS Big Sur Or Monterey?

Big Sur might be the wiser choice if you’re seeking for the greatest Os X for your device. Nonetheless, Monterey is generally speedier, and Big Sur might be the safest alternative for some devices.
Although Big Sur’s UI redesign remained almost untouched, Monterey incorporated additional tweaks and options to make it more practical.

Can I Skip MacOS Big Sur?

Yes. You definitely can skip macOS Big Sur. This means you can directly update from Catalina to Monterey. And this is also applicable for any macOS, you don’t need to follow any sequence for updating or reverting of the software system.

Why Is My Mac So Slow After The Big Sur Update?

If your computer has decelerated after installing Big Sur, you are most likely short on memory (RAM) or accessible storage. Because of the numerous modifications, Big Sur demands a large amount of storage space on your computer.

Which Is Better MacOS Catalina Or Big Sur?

Safari’s privacy protection has improved significantly, and Big Sur has created a new Verified Scheme Volume to prevent you from harmful applications. So, on average, macOS Big Sur is better than macOS Catalina.


This gigantic 12.2 gigabyte “install macOS Big Sur” app is really annoying, we know that. This is why this article cordially provides you the best ways to get rid of the file—even when your Mac doesn’t let you to.

While you follow the methods, please focus on each of the procedures that we have discussed here. Otherwise, you may not be able to pull the task off without any flaws.

And, the final words are, you don;t need to worry about the authenticity of the article as the methods shared here are advised by Apple. So, what are you waiting for? Get your Big Sur installation file deleted with our help. 

You Can Also Read:

Scroll to Top