

- Apple imac operating system how to#
- Apple imac operating system install#
- Apple imac operating system upgrade#
I wrote that image to USB Flash Drive with TransMac (usually I'm using "another" OS)Īfter that, I wiped hard drive (with recovery partition, which I couldn't use because of previous apple id I think?)Īnd my hope was, that this is enough, but not yet)ĭuring installation process I got new "problem" - This copy of the Install OS X Mavericks application can't be verified. (because I read before, that it will be better to install OS which was installed from the beginning.) I found image of OS X 10.9 Mavericks - the oldest, which I could download.

Apple imac operating system how to#
You probably don't need to erase, unless you're selling or giving away your Mac or have an issue that requires you to erase. Learn more about when and how to erase.Īfter starting up from macOS Recovery, follow these steps to install macOS:ġĜhoose Reinstall macOS (or Reinstall OS X) from the Utilities window.ĢĜlick Continue, then follow the onscreen instructions to choose your disk and begin installation.ģ If the installer asks to unlock your disk, enter the password you use to log in to your Mac. If you need to erase your disk before installing macOS, select Disk Utility from the Utilities window, then click Continue. Decide whether to erase (format) your disk Install the macOS that came with your Mac, or the closest version still available.Ģ.
Apple imac operating system upgrade#
Upgrade to the latest macOS compatible with your Mac.

Install the latest macOS that was installed on your Mac. Command-R is generally recommended, especially if you never installed macOS Sierra 10.12.4 or later. To start up from macOS Recovery, turn on your Mac and immediately press and hold one of the following combinations on your keyboard. See if you can upgrade to 10.12, 10.13, or 10.14, see sys requirements.
