Check compatibility
Dec 27, 2016 There are multiple ways to access to the User Library folder in macOS: Open the Finder from the Dock, pull down the Go menu and hold down the Shift key. Then you will see the Library option from the drop down list. In a Finder Window, hit Command+Shift+L keys together to jump to the /Library directory of the active user account. Dec 20, 2018 For folks using OS X and some macOS Sierra versions, showing your user library is a bit easier! Options to Show User Library Click on your Users folder, open it in Column view, and select View Show View Options then check the box for Show Library Folder If Library isn’t an option.
You can upgrade to macOS Sierra from OS X Lion or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 8.8GB of available storage space.
- Jan 12, 2020 With either the desktop or a Finder window as the frontmost application, hold down the option key and select the Go menu. The Library folder will be listed as one of the items in the Go menu. Select Library and a Finder window will open showing the contents of the Library folder.
- Dec 12, 2016 From the Finder of Mac OS, pull down the “Go” menu and hold down the SHIFT key Choose “Library” from the drop down list You can also hit Command+Shift+L from the MacOS Finder to immediately jump to the /Library directory of the active user account.
Mac Os Sierra Reviews
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
Jan 12, 2020 The Library folder contains many of the resources that installed applications need to use, including application preference files, application support files, plug-in folders, and ever since OS X Lion, the plists that describe the saved state of applications. Oct 24, 2019 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 Sierra, the installer will let you know. Aug 14, 2018 Though you can’t change the iBooks library location, you have the option browse it manually from Finder app. Keep in mind, if you delete or rename files, it will disorganize your iBooks library. So, do not make any changes to them. How to Access iBooks Library Location on your Mac. To get started, open Finder on your Mac.
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 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.
Mac Os Sierra Option Library Login
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 Sierra
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 Sierra, use this link: Download macOS Sierra. A file named InstallOS.dmg will download to your Mac.
Install the macOS installer
Double-click the downloaded file to open a window showing its contents. Then double-click the file within, named InstallOS.pkg.
Follow the onscreen instructions, which will guide you through the steps necessary to install.
Begin installation
After installation of the installer is complete, open the Applications folder on your Mac, then double-click the file named Install macOS Sierra.
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.
Allow installation to complete
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
- If you have hardware or software that isn't compatible with macOS Sierra, you might be able to install the previous version, OS X El Capitan.
- macOS 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.