The system does not require it. You can delete it, just keep in mind that if you ever want to install Sierra again, you will need to download it again.
Can I delete macOS Sierra installer?
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.
Do you need to keep installers on Mac?
To answer your question(s), generally speaking, yes, you can delete the container file whether it be a . pkg, . dmg or . … Obviously if the container contains a single file and you install it, then there is no need to retain it if you don’t mind downloading again if for some reason it’s needed again.
How long will Mac Sierra be supported?
Support Ending November 30, 2019
In keeping with Apple’s release cycle, macOS 10.12 Sierra will no longer be receiving security updates. Sierra was replaced by High Sierra 10.13, Mojave 10.14, and the newest Catalina 10.15. Our latest fully-supported operating system if macOS Mojave (10.14).
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.
Can you reverse a Mac update?
If you use Time Machine to back up your Mac, you can easily revert to a previous version of macOS if you experience trouble after installing an update. … After your Mac restarts (some Mac computers play a startup sound), press and hold the Command and R keys until the Apple logo appears, then release the keys.
Can I delete old Mac updates?
If you only want to delete the installer, you can select it from the Trash, then right-click the icon to reveal the Delete Immediately… option for just that file. Alternatively, your Mac can delete the macOS installer on its own if it determines that your hard drive doesn’t have enough free space.
Can DMG files be deleted after install?
Yes. You can safely delete . dmg files. … Incomplete installation – some people run apps out of a DMG and don’t install the app drag and drop.
What takes up other storage on Mac?
What is Other on Mac Storage?
- Documents like PDF, . psd, . doc, etc.
- macOS system and temporary files.
- Cache files like user cache, browser cache, and system cache.
- Disk images and archives like . zip and . dmg.
- App plugins and extensions.
- Everything else that doesn’t fit into the main macOS categories.
11 сент. 2018 г.
Can I delete IOS installers from Mac?
Answer: A: you can delete it.
Is Mojave better than High Sierra?
If you’re a fan of dark mode, then you may well want to upgrade to Mojave. If you’re an iPhone or iPad user, then you may want to consider Mojave for the increased compatibility with iOS. If you plan to run a lot of older programs that don’t have 64-bit versions, then High Sierra is probably the right choice.
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 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. If you Mac is supported read: How to update to Big Sur. This means that if your Mac is older than 2012 it won’t officially be able to run Catalina or Mojave.
What happens if you reinstall macOS?
It does exactly what it says it does–reinstalls macOS itself. It only touches operating system files that are there in a default configuration, so any preference files, documents and applications that are either changed or not there in the default installer are simply left alone.
Will reinstalling macOS fix problems?
However, reinstalling OS X isn’t a universal balm that fixes all hardware and software errors. If your iMac has contracted a virus, or a system file that was installed by an application “goes rogue” from data corruption, reinstalling OS X likely won’t solve the problem, and you’ll be back to square one.