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.
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.
What does macOS High Sierra do?
High Sierra is about deep technologies that provide a platform for future innovation while also introducing new technologies to make the Mac more reliable, capable, and responsive. A more modern file system, Apple File System (APFS), is the new default in macOS High Sierra.
How long will macOS high sierra be supported?
Support Ending on December 1, 2020
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.
Does Mac OS High Sierra slow down computer?
With the macOS 10.13 High Sierra, your Mac will be more responsive, capable and reliable. … Mac slow after high sierra update because the new OS requires more resources than the older version. If you have been asking yourself “why is my Mac so slow?” the answer is actually very simple.
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. … This means that if your Mac is older than 2012 it won’t officially be able to run Catalina or Mojave.
Is Mojave better than High Sierra?
When it comes to macOS versions, Mojave and High Sierra are very comparable. … Like other updates to OS X, Mojave builds on what its predecessors have done. It refines Dark Mode, taking it further than High Sierra did. It also refines the Apple File System, or APFS, that Apple introduced with High Sierra.
Which Macs are compatible with Sierra?
These Mac models are compatible with macOS High Sierra:
- MacBook (Late 2009 or newer)
- MacBook Pro (Mid 2010 or newer)
- MacBook Air (Late 2010 or newer)
- Mac mini (Mid 2010 or newer)
- iMac (Late 2009 or newer)
- Mac Pro (Mid 2010 or newer)
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What is the highest version of High Sierra?
macOS High Sierra
|Source model||Closed, with open source components|
|Initial release||September 25, 2017|
|Latest release||10.13.6 Security Update 2020-006 (17G14042) (November 12, 2020) [±]|
|Update method||Mac App Store|
Is High Sierra Good for older Macs?
Yes, High Sierra on Older Macs Really Does Boost Performance.
What is the next update after macOS High Sierra?
|macOS 10.13||High Sierra|
Does High Sierra support iOS 14?
iOS 13 & 14 require iTunes 188.8.131.52 or better.” …
How can I improve the performance of my High Sierra Mac?
Mac Optimization Guide for macOS 10.13 High Sierra
- Optimize Energy Saver.
- Turn off Wi-Fi.
- Disable FireWire & Thunderbolt Networking.
- Disable FileVault protection.
- Automatic Updates.
- Enable Spotlight Indexing.
- Disable Sudden Motion Sensor (For laptops only, and not available on all models)
Is El Capitan faster than High Sierra?
Just make sure your Mac supports Sierra, otherwise instead of getting faster it will slow down even more.
|Speed test||Works fine when having enough free disk space (~10%)||Appears snappier, but could be just a clean new system. Runs better on new Macs.|