The Macintosh (mainly Mac since 1998) is a family of personal computers designed, manufactured, and sold by Apple Inc. Top 10 programs for mac. Since January 1984. The original Macintosh is the first successful mass-market personal computer to have featured a graphical user interface, built-in screen, and mouse. Apple sold the Macintosh alongside its popular Apple II family of computers. Even Macs Need Antivirus Protection. The myth that Macs don’t suffer malware attacks has. To see the size of a specific file or folder, click it once and then press Command-I. To see storage information about your Mac, click the Apple menu in the top-left of your screen. Choose About This Mac and click the Storage tab. For Time Machine backups, it's good to use a drive that has at least twice the storage capacity of your Mac.

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Backing up your Mac is simple and important. We recommend it for everyone.

Back up with Time Machine

Time Machine is the built-in backup feature of your Mac. It’s a complete backup solution, but you can use other backup methods as well.

Store files in iCloud

You can also use iCloud and iCloud Drive to store files, such as your photos, documents, and music.

Restore your Mac from a backup

When you have a backup, you can use it to restore your files at any time, including after the original files are deleted from your Mac.

Prepare your Mac for service

Making a backup is an important part of preparing your Mac for service, especially because some types of repair might require erasing or replacing your hard drive.

How much space do I need for a backup?

To see the size of a specific file or folder, click it once and then press Command-I. To see storage information about your Mac, click the Apple menu in the top-left of your screen. Choose About This Mac and click the Storage tab. For Time Machine backups, it's good to use a drive that has at least twice the storage capacity of your Mac.

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Free up storage on your Mac

macOS can save space by storing your content in the cloud. This isn't a backup, but it includes new tools to make it easier to find and remove large or unwanted files before you make a backup.

Erase or format a storage device

You can use Disk Utility if you need to erase or format a storage device.

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If you can't back up your Mac

We'll find the best support options for you.

Is your Mac up to date with the latest version of the Mac operating system (macOS or OS X)? Is it using the version required by some other product that you want to use with your Mac? Which versions are earlier (older) or later (newer, more recent)? To find out, learn which version is installed now.

Apple mac os high sierra download. Many of the improvements are under the hood, so the new OS may not look much different, but users will get a more stable, more secure, and more responsive MacOS.

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If your macOS isn't up to date, you may be able to update to a later version.

Which macOS version is installed?

From the Apple menu  in the corner of your screen, choose About This Mac. You should see the macOS name, such as macOS Mojave, followed by its version number. If you need to know the build number as well, click the version number to see it.

This example shows macOS Catalina version 10.15 build 19A583.

Which macOS version is the latest?

These are all Mac operating systems, starting with the most recent. When a major new macOS is released, it gets a new name, such as macOS Catalina. As updates that change the macOS version number become available, this article is updated to show the latest version of that macOS.

If your Mac is using an earlier version of any Mac operating system, you should install the latest Apple software updates, which can include important security updates and updates for the apps that are installed by macOS, such as Safari, Books, Messages, Mail, Music, Calendar, and Photos.

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