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Can I completely remove Mac OS X from my system and install Windows 7 or 8 on it? I do not want to use Bootcamp or create VM's. Is there any way at all? The problem here is that i want to ditch OSX and install Windows on my mac machine forever. Download Totally Accurate Battle Simulator for Mac OS: Totally Accurate Battle Simulator is a wacky physics-based tactics game. Experience accurate warfare through the ages, TABS uses state of the art physics-based simulation to provide you with never-before-seen insight to our greatest battles of history. Big Sur, the latest Mac operating system, is officially macOS 11. Meaning that after almost 20 years, OS X is dead and gone. Compatible OS: macOS, Windows, Android, iOS. You should also think about a full system scan with anti-spyware software to make sure that your computer is totally safe and free of serious computer pests. For that, you need to use one of the security programs that are given below, update it to its latest version and run a full system scan.
These steps apply only to Mac computers with an Intel processor. The steps to erase a Mac with Apple silicon are different.
Before erasing your Mac
- Make a backup of any files that you want to keep. Erasing your Mac permanently deletes its files.
- If you want to restore your Mac to factory settings, such as to prepare it for a new owner, first learn what to do before you sell, give away, or trade in your Mac. Then erase your Mac as the final step.
Use Disk Utility to erase your Mac
- Start up from macOS Recovery: Turn on your Mac, then immediately press and hold these two keys until you see an Apple logo or other image: Command (⌘) and R.
- If asked, select a user you know the password for, then enter their administrator password.
- From the utilities window, select Disk Utility and click Continue.
- Select Macintosh HD in the sidebar of Disk Utility. Don't see Macintosh HD?
- Click the Erase button in the toolbar, then enter the requested details:
- Name: Macintosh HD
- Format: APFS or Mac OS Extended (Journaled), as recommended by Disk Utility
- Click Erase Volume Group. If you don't see this button, click Erase instead.
- If asked, enter your Apple ID. Forgot your Apple ID?
- After the erase is done, select any other internal volumes in the sidebar, then click the delete volume (–) button in the toolbar to delete that volume.
Disregard any internal volume named Macintosh HD or Macintosh HD - Data, as well as any volumes in the External and Disk Images sections of the sidebar. - Quit Disk Utility to return to the utilities window.
- If you want to start up again from the disk you erased, select Reinstall macOS in the utilities window, then click Continue and follow the onscreen instructions to reinstall macOS.
If you don’t see Macintosh HD in Disk Utility
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Your built-in startup disk should be the first item listed in the Disk Utility sidebar. It's named Macintosh HD, unless you changed its name. If you don't see it there, choose Apple menu > Shut Down, then unplug all nonessential devices from your Mac and try again.
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If your disk still doesn't appear in Disk Utility, or Disk Utility reports that the erase process failed, your Mac might need service. If you need help, please contact Apple Support.
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For more information about using Disk Utility, see the Disk Utility User Guide.