2 Answers. It is safe to delete, you will just be unable to install macOS Sierra until you re-download the installer from the Mac AppStore. Nothing at all except you would have to download it again if you ever need it. After install, the file would usually be deleted anyway, unless you move it to another location.
Does installing new macOS delete everything?
Reinstalling Mac OSX by booting into the Rescue drive partition (hold Cmd-R at boot) and selecting “Reinstall Mac OS” does not delete anything. It overwrites all system files in-place, but retains all your files and most preferences.
What is install macOS High Sierra?
Apple has released macOS High Sierra, which offers new features such as Apple File System, new features in the Photos app, improved video playback, and more. You can get these new features—and the entire operating system—for free. Before you install High Sierra, you should back up your Mac.
Can I delete macOS install data?
There was a folder called ‘MacOS Install Data’ that needed to be deleted. If you have permission issues boot into recovery (⌘R), select terminal from the menu bar, type ‘csrutil disable’. Reboot, delete folder, reboot back into recovery mode, access terminal again type ‘csrutil enable’ to renable protection and done.
Will reinstalling macOS get rid of malware?
Yes, it’s the same. Clean install Mac OSX from the scrach with Install Disc which came with MacBook could delete malware or the like.
Will I lose files if I update my Mac?
As usual, before each update, the time machine utility on Mac creates a backup of your existing environment. A quick side note: on Mac, updates from Mac OS 10.6 are not supposed to generate data loss issues; an update keeps the desktop and all personal files intact. …
Can I still download macOS High Sierra?
Is Mac OS High Sierra still available? Yes, Mac OS High Sierra is still available to download. I can also be downloaded as an update from the Mac App Store and as an installation file.
Is macOS High Sierra still supported?
In keeping with Apple’s release cycle, Apple will stop releasing new security updates for macOS High Sierra 10.13 following its full release of macOS Big Sur. … As a result, we are now phasing out software support for all Mac computers running macOS 10.13 High Sierra and will end support on December 1, 2020.
Is my Mac too old to update?
Apple said that would run happily on a late 2009 or later MacBook or iMac, or a 2010 or later MacBook Air, MacBook Pro, Mac mini or Mac Pro. … This means that if your Mac is older than 2012 it won’t officially be able to run Catalina or Mojave.
Can I delete the install macOS Mojave file?
All you have to do is open your Applications folder and delete “Install macOS Mojave”. Then empty your trash and download it again from the Mac App Store. … Put it in the trash by dragging it to the trash, pressing Command-Delete, or by clicking the “File” menu or the Gear icon > “Move to Trash”
Can I delete update folder Mac?
The “updates” folder within “library” contains 19 GB of files. … It should be safe to remove the subfolders of /Library/Updates , but don’t remove the folder itself. The subfolders must be removed in macOS Recovery because they’re protected by System Integrity Protection (SIP):
How do I uninstall a Mac update?
Click the Apple () icon in the top left corner of your screen, then select and click System Preferences… from the dropdown menu. Click App Store from the System Preferences menu. Uncheck Download newly available updates in the background by clicking on the blue box with the white checkmark.
Does a factory reset get rid of malware?
When you do a factory reset, all your device settings, user data, files, third-party apps, and other associated app data from your Android device’s internal flash storage will be erased. … Unfortunately, persistent malware, such as xHelper, cannot be removed even after doing a factory reset.
How do I get rid of malware on Safari Mac?
To remove malware from Safari on your Mac, simply follow these simple steps:
- With Safari open, select Preferences from the Safari drop-down menu.
- Select the Extensions tab and look for any browser extensions that seem suspicious. …
- Select the extensions that you’d like to get rid of, then click Uninstall.
21 нояб. 2019 г.
How do I check for malware on my Mac?
In a few minutes, you’ll know how to check for malware on a Mac and: If Macs can get viruses.
Run an antivirus scan
- Install an antivirus app.
- Open the app and run a full scan.
- Wait until the scan is finished and check the results.
- Remove detected threats and unwanted elements from your Mac.
2 мар. 2021 г.