For security reasons macOS Catalina splits the logical boot volume, in your case 'Macintosh HD' into two physical volumes, one for all the system files and another for the use data which has ' - Data' put on the end of the name. You've erased half the logical volume, you should have erased either the whole disk or the whole container.
How to get updates for macOS Mojave or later
Apple reserves the right to refuse or limit the quantity of any device for any reason. In the Apple Store: Offer only available on presentation of a valid, government-issued photo ID (local law may require saving this information). Value of your current device may be applied toward purchase of a new Apple device. Recover Erased Hard Drive Mac Using Time Machine Backup. Time Machine is a backup software application part of Mac OS, developed by Apple. The software is designed to work with AirPort Time Capsule, the Wi-Fi router with a built-in hard disk, as well as other internal and external disk drives.
If you've upgraded to macOS Mojave or later, follow these steps to keep it up to date:
Apple occasionally offers updates to, and as closed developer previews. With Reminders for Mac, you can track your most important tasks, make shopping lists, and more. While the betas contain new features, they also contain pre-release bugs that can prevent the normal use of your iPhone, iPad, Apple Watch, Apple TV, or Mac, and are not intended for everyday use on a primary device. Apple occasionally offers updates to, and as closed developer previews. That's why we strongly recommend staying away from developer previews unless you need them for software development, and using the public betas with caution.
Mac Pro is designed for pros who need the ultimate in CPU performance. From production rendering to playing hundreds of virtual instruments to simulating an iOS app on multiple devices at once, it’s exceedingly capable. At the heart of the system is an Intel Xeon processor with up to 28 cores — the most ever in a Mac. XFreesoft HD Converter for Mac v.2.3.0.6 As a professional Mac HD Converter software, XFreesoft HD Converter for Mac provides the perfect solution to convert HD video formats such as TS, AVI, MP4, MPG and MOV. This Mac HD Converter has the ability to convert HD to other video formats.
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Choose System Preferences from the Apple menu , then click Software Update to check for updates.
If any updates are available, click the Update Now button to install them. Or click ”More info” to see details about each update and select specific updates to install.
When Software Update says that your Mac is up to date, the installed version of macOS and all of its apps are also up to date. That includes Safari, iTunes, Books, Messages, Mail, Calendar, Photos, and FaceTime.
To find updates for iMovie, Garageband, Pages, Numbers, Keynote, and other apps that were downloaded separately from the App Store, open the App Store on your Mac, then click the Updates tab.
To automatically install macOS updates in the future, including apps that were downloaded separately from the App Store, select ”Automatically keep my Mac up to date.” Your Mac will notify you when updates require it to restart, so you can always choose to install those later.
How to get updates for earlier macOS versions
If you're using an earlier macOS, such as macOS High Sierra, Sierra, El Capitan, or earlier,* follow these steps to keep it up to date:
Open the App Store app on your Mac.
Click Updates in the App Store toolbar.
Use the Update buttons to download and install any updates listed.
When the App Store shows no more updates, the installed version of macOS and all of its apps are up to date. That includes Safari, iTunes, iBooks, Messages, Mail, Calendar, Photos, and FaceTime. Later versions may be available by upgrading your macOS.
To automatically download updates in the future, choose Apple menu > System Preferences, click App Store, then select ”Download newly available updates in the background.” Your Mac will notify you when updates are ready to install.
* If you're using OS X Lion or Snow Leopard, get OS X updates by choosing Apple menu > Software Update.
How to get updates for iOS
Learn how to update your iPhone, iPad, or iPod touch to the latest version of iOS.
Learn more
Macintosh Hd Update
Learn how to upgrade to the latest version of macOS.
Find out which macOS your Mac is using.
You can redownload apps that you previously downloaded from the App Store.
Your Mac doesn't automatically download large updates when it's using a Personal Hotspot.