Gatekeeper on macOS helps protect users from downloading and installing malicious software by checking for a Developer ID certificate from apps distributed outside the Mac App Store. Make sure to sign any apps, plug-ins, or installer packages that you distribute to let Gatekeeper know they’re safe to install. And now, you can give users even more confidence in your apps running on macOS Mojave by submitting them to Apple to be notarized.

Use a “Developer ID” application, kernel extension, system extension, or installer certificate for your code-signing signature. (Don't use a Mac Distribution, ad hoc, Apple Developer, or local development certificate.) Verify the certificate type before submitting, as described in Use a Valid Developer ID Certificate.
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Whether you plan to use your Mac for school, work, entertainment or everyday use, the right software can make your life easier and more productive. From business and office software to music, photo and video editing to finance and tax software, you can create, edit, organize and discover new ways to get things done. Command Line, or GUI? The patch program is included with Mac OS X, but you need to use it from the command line via Terminal.app. See HowTo: Apply patches for details on how to use patch. If you'd rather use a GUI solution, check out Apple's Xcode Tools. Note that you'll have to signup as a 'developer', but there's no charge to do so. This will install diff, cvs, and a whole suite of Apple.

Prepare for Distribution

A Developer ID certificate lets Gatekeeper verify that you’re a trusted developer when a user opens your app, plug-in, or installer package downloaded from outside the Mac App Store. Software signed with a Developer ID certificate can also take advantage of advanced capabilities such as CloudKit and Apple Push Notifications.

Generate your Developer ID certificate.

You can generate your Developer ID certificate in Xcode or in the Certificates, Identifiers & Profiles section of your developer account. Please note that you must be the Account Holder of your development team in the Apple Developer Program.

Sign and test your app.

Enable the hardened runtime capability and declare entitlements for the functions your app requires in Xcode. Archive your app and test the end-user experience of launching your Developer ID-signed app using a Gatekeeper-enabled Mac.

Xcode

To build your apps for macOS and submit them to be notarized by Apple, use Xcode 10 or later, available from the Mac App Store.

Get Your Software Notarized

Give users even more confidence in your software by submitting it to Apple to be notarized. The service automatically scans your Developer ID-signed software and performs security checks. When it’s ready to export for distribution, a ticket is attached to your software to let Gatekeeper know it’s been notarized.

For step-by-step details on uploading your Mac software to be notarized, read Notarizing Your App Before Distribution and the Xcode Help Guide.

Submitting with Xcode

Unpublished Software. It’s easy to get unpublished software notarized with the Export process or xcodebuild. Custom build workflows are supported by the xcrun altool command line tool for uploading, and you can use xcrun stapler to attach the ticket to the package.

Published Software. To submit software you’ve already published, upload it using the xcrun altool command line tool. Several file types are supported, including .zip, .pkg, and .dmg, so you can upload the same package you already distribute to users.

Viewing Upload Logs

In addition to checking for malicious software, the notary service catches common code signing problems that can prevent your software from installing properly. If notarization fails for your upload, check the status log for details.

Upcoming Requirements

When users on macOS Mojave 10.14 or later first open a notarized app, installer package, or disk image, they’ll see a more streamlined Gatekeeper dialog and have confidence that it is not known malware.

Mac apps, installer packages, and kernel extensions that are signed with Developer ID must also be notarized by Apple in order to run by default on macOS Catalina.

Because Apple makes the hardware, the operating systems, and many applications, our experts understand how everything works together and can help resolve most issues in a single conversation.

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Enjoy 3 years of peace of mind when you buy AppleCare+ for Mac.

Every Mac comes with one year of hardware repair coverage through its limited warranty and up to 90 days of complimentary technical support. AppleCare+ for Mac extends your coverage to three years from your AppleCare+ purchase date and adds up to two incidents of accidental damage protection every 12 months, each subject to a service fee of $99 for screen damage or external enclosure damage, or $299 for other damage, plus applicable tax.¹ In addition, you’ll get 24/7 priority access to Apple experts by chat or phone.²

3 years of Apple-certified service and support coverage

Get up to 2 incidents of accidental damage protection every 12 months¹

One stop for support

Because Apple designs the computer, the operating system, and many applications, Mac is a truly integrated system. And only AppleCare+ gives you one-stop service and support from Apple experts, so most issues can be resolved in a single call.

24/7 priority access to Apple experts by chat or phone
Global repair coverage¹
Onsite repair for desktop computers: Request that a technician come to your work site³
Mail-in repair for portable computers³: Mail in your Mac using a prepaid shipping box provided by Apple
Carry-in repair³: Take your Mac to an Apple Store or other Apple Authorized Service Provider

Hardware coverage

Get up to 2 incidents of accidental damage protection every 12 months¹

Get battery service if it retains less than 80% of its original capacity

AppleCare+ for Mac provides global repair coverage, both parts and labor, from Apple-authorized technicians around the world.

Coverage includes the following:

Your Mac computer
Battery¹
Included accessories such as the power adapter
Apple memory (RAM)
Apple USB SuperDrive
Up to two incidents of accidental damage protection every 12 months, each subject to a service fee of $99 for screen damage or external enclosure damage, or $299 for other damage, plus applicable tax¹

Software support

Get direct access to Apple experts for support using macOS and more

Whether you’re sitting in the comfort of your home or office or on the go, you can get direct access to Apple experts for questions on a wide range of topics, including:

Using macOS and iCloud
Quick how-to questions about Apple-branded apps, such as Photos, iMovie, GarageBand, Pages, Numbers, and Keynote, and pro apps such as Final Cut Pro X, Logic Pro X, and more
Connecting to printers and AirPort networks

How to buy

Purchase AppleCare+ with your new Mac.
Or buy it within 60 days of your Mac purchase:

Online (requires you to verify your serial number)
At an Apple Store (inspection of Mac and proof of purchase are required)
By calling 800-275-2273

AppleCare+ available for:

MacBook
MacBook Air
13” MacBook Pro
15” MacBook Pro
16” MacBook Pro

For Mac computers running macOS Server, the plan covers server administration and network management issues using the graphical user interface of macOS Server. For advanced server operation and integration issues, purchase AppleCare OS Support. See AppleCare+ Terms and Conditions for complete product details.