MacOS Sierra introduces hands-free auto-unlock. It requires watchOS 3, and it’s a great time-saver–not to mention kind of cool. Here’s how to set it up. Desktop and Documents Move to iCloud. While you could just move your Documents folder to cloud storage, such as Dropbox or OneDrive, it’s not seamless from Mac to Mac. You still have to. IF you bought Aperture from the Mac App Store, you should be able to re-download it from there from the Purchases tab, even though it’s no longer available for sale. (However, I never did, so I can’t confirm this.) I can confirm this is possible to download on High Sierra still and that it is in the Purchases tab.

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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.

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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.

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

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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

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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

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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.

In June 2014, Apple announced that development of Aperture has been discontinued. Since then, Apple has released six major macOS upgrades. For technical reasons, macOS Mojave is the last version of macOS to run Aperture. Starting with macOS Catalina, Aperture is no longer compatible with macOS.

To continue working with your Aperture photo libraries, you must migrate them to another photo app. You can migrate them to the Photos app, which is included with macOS Yosemite or later, or migrate them to Adobe Lightroom Classic or another app. You should do this before upgrading to macOS Catalina.

Migrate your library to Photos

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If you're using macOS Mojave or earlier

Follow these steps if you're using macOS Mojave or earlier:

1. Open Aperture.
2. Choose Aperture > Preferences, click the Previews tab, then change the Photo Preview setting to Don't Limit. Close the preferences window.
3. From the list of projects in the Library inspector, select all of your projects. For example, click the first project listed, then press and hold the Shift key while clicking the last project.
4. Click the Browser layout button in the toolbar, so that all photos are shown as thumbnails.
5. Choose Edit > Select All to select all of your photos.
6. Press and hold the Option key, then choose Photos > Generate Previews.
7. Aperture now generates full-size previews for every photo in your library. To follow its progress, choose Window > Show Activity from the menu bar. Quit Aperture when processing is complete.
8. Open the Photos app, then choose your Aperture library when prompted, as pictured above. If you aren't prompted to choose a library, press and hold the Option key while opening Photos. If your Aperture library isn’t listed, click Other Library, then locate and choose your library.
   

When Photos shows the photos from your Aperture library, migration is complete. Learn more about how Photos migration works and how Photos handles content, metadata, and smart albums from Aperture.

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If you're using macOS Catalina

Starting with macOS Catalina, Aperture is no longer compatible with macOS. If you upgraded to macOS Catalina before migrating your library to Photos, follow these steps:

1. Install the latest macOS Catalina updates. Your Mac must be using macOS Catalina 10.15.1 or later.
   
2. If you migrated your library to Photos after installing macOS Catalina 10.15 but before updating to macOS Catalina 10.15.1, complete these steps before continuing:
   1. Select your Aperture library in the Finder. By default, it's named Aperture Library and is in the Pictures folder of your home folder.
   2. Choose File > Get Info. An Info window for your Aperture library opens.
   3. In the Name & Extension section of the Info window, replace .migratedphotolibrary at the end of the file name with .aplibrary. Then close the window.
3. Open the Photos app, then choose your Aperture library when prompted, as pictured above. If you aren't prompted to choose a library, press and hold the Option key while opening Photos. If your Aperture library isn’t listed, click Other Library, then locate and choose your library.

When Photos shows the photos from your Aperture library, migration is complete. Learn more about how Photos migration works and how Photos handles content, metadata, and smart albums from Aperture.

Migrate your library to Adobe Lightroom Classic

Adobe Lightroom Classic version 5.7 and later includes a built-in tool for migrating Aperture libraries to Lightroom catalogs.

You can also conduct various mathematical operations and send/receive emails. Free duplicate detection for mac os high sierra download.

If you’ve upgraded to macOS Catalina, learn about compatibility with Lightroom Classic.

When an Aperture library is migrated to Lightroom, your library's organization, metadata, and image adjustments are preserved, with some exceptions:

• RAW files are migrated, but Aperture's non-destructive adjustment layer does not. Lightroom’s migrator tool includes an option to export and migrate Aperture’s full-size JPEG previews for edited images. If you want to preserve your Aperture edits in another format, export the edited images from Aperture first, then reimport them into Lightroom after migrating your library.
• Projects, folders, and albums are migrated to Lightroom collections and collection sets.
• Faces, color labels, and stacks are migrated as keywords.
• Rejected images are migrated to a collection.
• Slideshows are migrated as collections.
• Smart Albums and custom metadata fields aren't migrated.
• Album organization is alphabetical, so manual sidebar organization might not be preserved.
• Custom metadata fields aren't migrated.

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Export your Aperture library

You can also export the contents of your Aperture library to back it up or to import into another app.