INSTALL MACOS FROM USB INSTALL
INSTALL MACOS FROM USB PASSWORD
INSTALL MACOS FROM USB DOWNLOAD
INSTALL MACOS FROM USB MAC

INSTALL MACOS FROM USB INSTALL

Some users recommend a clean install every time you update to a major operating system update (macOS Mojave, macOS Catalina, etc.). But when it comes to macOS Catalina, it may be a good idea. Why clean install macOS Catalina? Clean installing is normally a personal preference.

When it comes to macOS Catalina, however, there may be a few reasons why you’d want to. Whether that’s actually the case across the board is up for debate. But you’ll also need to re-input all of your data, files, apps and settings - just like when you first got the computer.Īccording to some users, there are some tangible benefits to a clean install on any operating system. In other words, it’s deleting your computer and installing the next update on top of a clean system.Īs an end result, you’ll be left with a “fresh” computer that basically feels like new. During the process, you’ll also typically install a version of the latest operating system available for your particular computer. To break it down, that means you’ll get rid of all of your files, documents, photos, apps, and other system data when you perform a clean install. You’ll also lose all your data (and have to re-input it).Ī clean install, in a nutshell, is a way of installing an operating system update that also overwrites your existing system and its data. Use a USB flash drive or other secondary volume to create a bootable installer.What’s a clean install? If you clean install an OS update, you’ll get that “brand new” computer feeling.

INSTALL MACOS FROM USB DOWNLOAD

Use the App Store to download and install the latest macOS or an earlier macOS.

You can also use these methods to install macOS, if the macOS is compatible with your Mac:

If you've just erased your entire startup disk, you may only be offered the macOS that came with your Mac, or the closest version still available.

INSTALL MACOS FROM USB MAC

If the Mac logic board has just been replaced, you may only be offered the latest macOS that is compatible with your Mac.Or you can use Option-Command-R during the startup process to be offered either the latest macOS that is compatible with your Mac, or in some cases the macOS that came with your Mac or the closest version still available. On an Intel-based Mac, you can use Shift-Option-Command-R during the startup process to be offered the macOS that came with your Mac, or the closest version still available.When you install macOS from Recovery, you'll get the current version of the most recently installed macOS, with some exceptions: When the new owner starts up the Mac, they can use their own information to complete the setup process.

If you're selling, trading in or giving away your Mac, press Command-Q to quit the assistant without completing setup. When the installation is complete, your Mac might restart to a setup assistant. Your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time. Allow installation to complete without putting your Mac to sleep or closing its lid.If the installer offers you the choice between installing on Macintosh HD or Macintosh HD - Data, choose Macintosh HD.If the installer can't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.

INSTALL MACOS FROM USB PASSWORD

If the installer asks to unlock your disk, enter the password you use to log in to your Mac.To start the installation process, select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions.įollow these guidelines during installation: Reinstalling macOS won't remove data from your Mac.

Install macos from usb