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- #Install new mac os from usb how to#
- #Install new mac os from usb install#
- #Install new mac os from usb plus#
- #Install new mac os from usb download#
#Install new mac os from usb download#
Type High Sierra in the upper right search bar, and download the High Sierra installer.
#Install new mac os from usb how to#
That’s it, let Time Machine back up your filesįor a more detailed guide, check out our article on how to back up your Mac using Time Machine. Therefore, Time Machine will ask for your permission to reformat your external hard driveħ. A window will pop up asking if you want this disk to be your backup destinationĦ. Click on Select Disk and choose your external driveĥ.
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In the left side of the pop-up window toggle the switch from OFF to ONĤ.
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Go to System Preferences → Time Machineģ. One of the easiest ways to clean your Mac is to use an app such as MacKeeper that will easily and quickly delete all useless and duplicated files while keeping the useful stuff intact.Īfter cleaning your Mac, it’s time to back up your important files.Ģ. Therefore, you have to delete all this junk before backing up your data.
#Install new mac os from usb install#
Obviously, you don’t want to install a new macOS and have tons of junk files and unused apps. Why? Well, your Mac might get slow due to system junk and other unneeded files. Back up your dataīefore backing up your data it’s always a good idea to clean your Mac first.
#Install new mac os from usb plus#
This will back up your user account, along with any other accounts on the Mac, plus any shared data. When choosing what to backup manually, most importantly look at the Users folder, located by default at Macintosh HD/Users/. So, If you skip this step, you won’t be able to recover your data if something goes wrong. Note: A clean install of macOS Sierra on the startup drive completely erases all data on that drive including all your files (documents, music, movies, pictures, and even apps).