Mac Library High Sierra

Check compatibility

Mac Library High Sierra Park

You can upgrade to macOS High Sierra from OS X Mountain Lion or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 14.3GB of available storage space.

MacBook introduced in late 2009 or later
MacBook Air introduced in late 2010 or later
MacBook Pro introduced in mid 2010 or later
Mac mini introduced in mid 2010 or later
iMac introduced in late 2009 or later
Mac Pro introduced in mid 2010 or later

To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . If your Mac isn't compatible with macOS High Sierra, the installer will let you know.

Make a backup

Before installing any upgrade, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.

Jan 19, 2020 The location of your stored Mail messages isn't readily apparent. They’re buried in a folder in the Library, and the archive uses a.mbox file extension. Since there may be times you want to copy your email to another computer, or even back up stored messages, here's how to find and access all your stored Mail email files. Jan 19, 2020  The location of your stored Mail messages isn't readily apparent. They’re buried in a folder in the Library, and the archive uses a.mbox file extension. Since there may be times you want to copy your email to another computer, or even back up stored messages, here's how to find and access all your stored Mail email files.

Get connected

It takes time to download and install macOS, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.

Download macOS High Sierra

Nov 01, 2017 According to Apple, High Sierra requires 14.3GB of available storage to perform an upgrade and then upon completion, should require just 1.5GB more storage space than macOS Sierra 10.12.6. So if you’re finding High Sierra is taking up all that space, please restart your Mac and see if it cleans up some lingering installation files. To unhide your Library folder in macOS Sierra, launch Finder and navigate to your user Home folder (you can jump directly to your user folder by select  Go Home from the Finder’s menu bar.

Download calibre Version: 4.13.0 What's new Alternate download location #1 Alternate download location #2 While you wait for the download to complete, please consider contributing to support the development of calibre. It appears that the problem lies with Permissions, yet High Sierra (10.13.3) has removed access to 'Repair Permissions' in Disk Utility. A neat way round this is to use CleanMyMac3. In addition to its basic role of cleaning unwanted files from your Mac, it has an option of.

Jul 21, 2017  How to View the /Library Folder in macOS Sierra Friday, July 21st, 2017 Author: Steve Sande. Of the many files and folders that make up macOS Sierra, there’s probably none so important to maintaining the “personality” of your Mac than the /Library folder. How to view library on mac sierra. Dec 20, 2018  Can't find your user library in macOS Mojave, High Sierra, or Sierra? You aren't alone! Learn how to unhide the User Library with macOS today. Apple decided to hide your user’s Library folder by default in Mac OS X 10.7 and all later Mac OSX and macOS releases. For Mac OS X, try Finder View. Press ⌘ J and tick the checkbox Show. Dec 12, 2016  The User Library folder is hidden by default in MacOS Catalina, MacOS Mojave, macOS High Sierra, and macOS Sierra, but some advanced users may wish to show and access the /Library/ folder, which contains preference files, caches, and application support data. To unhide your Library folder in macOS Sierra, launch Finder and navigate to your user Home folder (you can jump directly to your user folder by select Go Home from the Finder’s menu bar.

For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of the Mac operating system.

If you still need macOS High Sierra, use this App Store link: Get macOS High Sierra.

Begin installation

After downloading, the installer opens automatically.

Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.

Watchtower

If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.

Allow installation to complete

Mac Library High Sierra Vista

Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.

Learn more

Mac Library High Sierra Ranch

  • If you have hardware or software that isn't compatible with High Sierra, you might be able to install an earlier macOS, such as Sierra or El Capitan.
  • macOS High Sierra won't install on top of a later version of macOS, but you can erase your disk first or install on another disk.
  • You can use macOS Recovery to reinstall macOS.