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.
Do I need to keep Install macOS Sierra?
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 Mac OS installer?
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 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.
Will updating to macOS Sierra 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.
Can you reverse a Mac update?
If you create regular Time Machine backups (and you should!) then you may be able to reverse a macOS update by restoring a Time Machine backup that you created before installing that update.
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 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.
How can I clear space on my Mac?
How to free up storage space manually
- Music, movies, and other media can use a lot of storage space. …
- Delete other files that you no longer need by moving them to the Trash, then emptying the Trash. …
- Move files to an external storage device.
- Compress files.
11 дек. 2020 г.
Can I delete .PKG files Mac?
The answer is yes. You can delete the . pkg/.
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.
Should I wipe macOS base?
Answer: A: There is no need to erase The Base System. A new installation will over write it.
Where is macOS recovery stored?
This recovery system is stored on a hidden partition on your Mac’s hard drive — but what if something happens to your hard drive? Well, if your Mac can’t find the recovery partition but it’s connected to the Internet via either Wi-Fi or a network cable, it’ll start the OS X Internet Recovery Feature.
Can I update macOS without backup?
Being cautious about upgrading your reliable Mac workhorse to a brand new operating system is prudent, but there is no reason to fear an upgrade. You can install macOS on an external hard disk drive or other suitable storage device without altering your existing Mac in any way at all.
How do I reset my Mac without losing everything?
Step 1: Hold the Command + R keys until the MacBook’s utility window hasn’t opened. Step 2: Select Disk Utility and click on Continue. Step 4: Select the format as MAC OS Extended (Journaled) and click on Erase. Step 5: Wait till the MacBook is completely reset and then go back to the Disk Utility’s main window.
Does Apple software update delete data?
Though Apple’s iOS updates are not suppose to delete any user information from the device, exceptions arise. To bypass this threat of losing information, and to quell any anxiety that may accompany that fear, back up your iPhone before doing an update.