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 I need to keep install macOS Sierra?
Nope. All it’s doing is occupying space. 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 you delete install Mac OS files?
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.
Does macOS Sierra delete everything?
Don’t worry; it won’t affect your files, data, apps, user settings, etc. Only a fresh copy of macOS High Sierra will be installed on your Mac again. … A clean install will delete everything associated with your profile, all your files, and documents, while the reinstall will not.
Will updating Mac delete everything?
No. Generally speaking, upgrading to a subsequent major release of macOS doesn’t erase/touch user data. Pre-installed apps and configurations too survive the upgrade. Upgrading macOS is a common practise and carried out by lot of users every year when a new major version is released.
Is High Sierra better than Mojave?
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 delete an installer package?
A. If you have already added the programs to your computer, you can delete the old installation programs piling up in the Downloads folder. Once you have run the installer files, they just sit dormant unless you need to reinstall the program you downloaded.
Is it safe to delete install MacOS Catalina?
The installer should be in your Applications folder and is just over 8 GB. It needs about 20 GB to expand during installation. If you only downloaded it, you can drag the installer into the trash and delete it. Yes, May be, it is interrupted by connection.
How do I completely remove an application from my Mac?
Use the Finder to delete an app
- Locate the app in the Finder. …
- Drag the app to the Trash, or select the app and choose File > Move to Trash.
- If you’re asked for a user name and password, enter the name and password of an administrator account on your Mac. …
- To delete the app, choose Finder > Empty Trash.
Can I update macOS without backup?
You can normally perform every update to apps and the OS without any loss of files. You can even install a new version of the OS in place, while keeping your apps, data and settings. However, it’s never ok to have no backup.
Does reinstalling macOS delete photos?
2 Answers. Reinstalling macOS from the recovery menu does not erase your data. However, if there is a corruption issue, your data may be corrupted as well, its really hard to tell. … Reinatalling the os alone does not erase data.
Does Mac delete old OS?
No, they aren’t. If it’s a regular update, I wouldn’t worry about it. It’s been a while since I remember there was an OS X “archive and install” option, and in any case you would need to select it. Once it’s done it should free up the space of any old components.
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.
Why is macOS Sierra not installing?
macOS Sierra problems: Not enough space to install
If you get an error message while installing macOS Sierra saying that you don’t have enough hard drive space, then restart your Mac and boot into safe mode. … Then restart your Mac and try to install macOS Sierra again.
How clean install macOS Sierra from USB?
Create a bootable macOS installer
- Download macOS High Sierra from the App Store. …
- When it’s finished, the installer will launch. …
- Plug in the USB stick and launch Disk Utilities. …
- Click the Erase tab and make sure Mac OS Extended (Journaled) is selected in the format tab.
- Give the USB stick a name, then click Erase.