How to change operating system on iMac?

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doroshenko_magic2019-02-11 22:05:05

macOS

doroshenko_magic, 2019-02-11 22:05:05

A long time ago, windows 7 was installed on iMac (I didn’t install it and needed it for work), now I decided to return MacOS, but after turning on the computer with the Alt key, only one window with Windows drops out without options. What can be done about it?

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1 answer(s)

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Dmitry Shitskov, 2019-02-11
@Zarom

https://support.apple.com/en-us/HT204904