With the release of Mac OS X Lion way back in 2011, Apple removed easy access to the user’s Library folder. Although arguably well-intentioned, this change was frustrating for longtime Mac power.
How to fix “macOS needs to repair your library to run applications” after High Sierra upgrade? Ask Question Asked 2 years, 3 months ago. So none of the given answers works on High Sierra (OS X 10.16.x) and I don't have Clean My Mac 3. In addition to its basic role of cleaning unwanted files from your Mac, it has an option of.

Check compatibility

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.

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 Sierra, the installer will let you know.

Dec 30, 2016 While many Mac users may never need to access their User Library folder while running macOS Sierra — some advanced users, may need to get in there and access support data and such when troubleshooting. The folder is hidden by default in macOS Sierra, but it only take a few moments to access it, or make it so that the folder is always visible. Back up the library in Photos on Mac. Even if you use iCloud Photos, it’s important that you always back up your library locally using one of the following methods. Use Time Machine: After you set up Time Machine, it automatically backs up the files on your Mac.

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.

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.

Follow these steps to use the Photos library repair tool:. https://everrc.amebaownd.com/posts/15539935. Hold down the Option and Command keys while you open Photos on your Mac. In the dialog that appears, click Repair to start the repair process.You might be asked to type in your user account password to authorize the library repair.The repair tool analyzes the the library's database and repairs any inconsistencies it detects.

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.

This will wipe away your current system files, leaving space for macOS Catalina — so yes, this option is for the brave. https://everrc.amebaownd.com/posts/15443270. All the system junk, app leftovers, and unneeded files will go away in a minute.Backup your disk and run a clean install. If you use a solid backup solution, you’ll keep your data safe, though. But your Mac still gets stuck at the installation and shows “not enough space” error, so you can’t get out of the cycle. Is a nice way to do it — unlike Apple’s Time Machine, the app allows running bootable backups.Say you’ve cleared up and backed up your disk.

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

Mac Os High Sierra Library Folder

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.

Select version:

Mac Os Sierra Show Library Folder

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Photos User Guide

Even if you use iCloud Photos, it’s important that you always back up your library locally using one of the following methods:

Use Time Machine: After you set up Time Machine, it automatically backs up the files on your Mac. If you ever lose the files in your Photos library, you can restore them from the Time Machine backup. For more information about setting up Time Machine, see Back up your files with Time Machine.
WARNING: If a Photos library is located on an external drive, don’t use Time Machine to store a backup on that external drive. Open a different photo library mac. The permissions for your Photos library may conflict with those for the Time Machine backup.
Manually copy your library to an external storage device: Drag the Photos library (by default in the Pictures folder on your Mac) to your storage device to create a copy.

If you have more than one photo library, be sure to back them all up.

Free Download Mac Os Sierra

Important: If any of your image files are stored outside your photo library, those files (known as referenced files) aren’t backed up when you back up your library. Be sure to back up those files separately. To make it easier to back up all your image files at once, you can consolidate referenced files into your library. See Change where Photos stores your files.

Mac Os Sierra Library Folder

See alsoCreate additional photo libraries in Photos on MacRepair your library in Photos on Mac