Dancemazing Mac OS
The successor to Raspbian 95, Raspbian XP, and other themed Pi operating systems, Twister OS is based on Raspberry Pi OS and features the Xfce desktop environment. A selection of desktop themes, inspired by Windows and Mac operating systems, are preinstalled. So, you'll find Windows 95, XP, Vista, and 7 themes, along with the Mac-inspired. If you succeed in downloading the OS installation, your next step is to create a bootable USB or DVD and then reinstall the OS on your computer. How to download older Mac OS X versions via the App Store. If you once had purchased an old version of Mac OS X from the App Store, open it and go to the Purchased tab.
Back up with Time Machine
Automatically back up all your files with Time Machine, which is built in to your Mac, or choose another backup method.
Create a backupStore files in iCloud
You can also use iCloud and iCloud Drive to store files, such as your photos, documents, and music.
Set up iCloud and iCloud DriveRestore 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.
Mac Os Versions
Restore from a backupPrepare 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.
Get your Mac ready for serviceHow 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.
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.
Use Optimized Storage in macOSErase or format a storage device
You can use Disk Utility if you need to erase or format a storage device.
Learn how to use Disk UtilityHave a question?
Ask everyone. Our Apple Support Community can help you find answers.
Ask the Apple Support CommunityTell us how we can help
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