How to restore the previous system after macbook system upgrade macbook system downgrade

Many users have recently asked the editor how to restore the newly upgraded Apple notebook to the original version? Some friends feel that the newly upgraded system is too difficult to use and has poor compatibility. Is there any way to downgrade the system? Upgrading the Apple system is relatively simple, but downgrading is a little complicated. Let’s take a look at the specific operations. Method/step: Select the startup disk when booting. Press the option key on the keyboard when booting. After entering, click to select the startup disk on the right.

Click Disk Utility to pop up the utility window, click to select Disk Utility.

Erase Hard Drive Select the hard drive and click Erase to format it.

Click to install macOS. After formatting, click the option to install macOS on the utility tool.

Choose to install to the main hard drive. On the pop-up window, click Select to install to the main hard drive to restore to the old version of the system.

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