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#Reinstall os yosemite mac os sierra how to#
#Reinstall os yosemite mac os sierra full version#
#Reinstall os yosemite mac os sierra install#
#Reinstall os yosemite mac os sierra manual#

It’s also a good idea to create a bootable clone, so if anything goes wrong you can go back to where you started easily. It’s more powerful than Apple’s own Time Machine. Now, for the backup itself use Get Backup Pro. Then you can use Gemini to easily find duplicate files and folders on your hard drive, so you can delete them and save precious storage space. You could do it manually, but CleanMyMac only all it takes is a few clicks. You can always use CleanMyMac to cleanup macOS system junk, large and old files, and remove unwanted apps. Start with a system cleanupĭelete everything you don't need - large and old files and archives, useless apps, cache data and other junk, duplicate files - all these files silently eat up the disk space, duplicate images are especially hard to find out.

#Reinstall os yosemite mac os sierra manual#

It will save to hours of manual file cleanup and polish your system before the backup. An easy way to go about this is to get a Mac cleaning app like CleanMyMac. You might not want to backup the files you don’t need and system junk, so make sure to clean that up beforehand.

#Reinstall os yosemite mac os sierra install#

The process of performing a clean install involves wiping your Mac’s main drive clean so it’s essential that you back it up immediately before you start.

#Reinstall os yosemite mac os sierra full version#

With Setapp, you always have the latest full version of every app. You don't need to dig through Internet to search and and download each apps mentioned below, all of them available on Setapp.

Once you have everything that's needed, let's begin. Don’t worry, this step-by-step guide will walk you through all you need to do.

#Reinstall os yosemite mac os sierra how to#

How to clean install macOS on a startup drive

If you don’t know which one you have, go with the first option, startup drive. It’s a more lenient and less intrusive way because your Mac doesn’t get wiped clean, only your system. If you have another drive or volume other than your startup drive, use the second way which is clean installing on a non-startup drive. This way entails one important fact: all your files and data will be deleted during the process. If you only have one drive and it’s not partitioned and this is where you have all your files and your OS, your choice is to clean install on the startup drive.

go for a system cleanup and backup your data - this will allow you to easily return your Mac to the condition it was in before you installed macOS.Ĭhoose the right way to clean install macOS High Sierraīefore you proceed, you need to make a choice how to run a clean install.

If you plan to clean install macOS on a non-startup drive, you don't need it. Notice: USB drive is needed for a clean install on your Mac’s startup drive.

macOS High Sierra Installer, available from the Mac App Store.

To complete the clean install procedure described below, you'll need: How to prepare your Mac for the clean installīefore you do anything, check that your Mac is able to run Apple's new operating system. Whatever your reasons, here is how to clean install macOS High Sierra. Or maybe you just want that fresh out of the box Mac experience again. Whether it’s because your Mac has accumulated so many junk files that it’s performance is badly affected or because you’re passing your Mac onto someone else and want to make sure all your data is removed. That’s why, sometimes, it makes more sense to run a clean install. Your data remains but your software and file junk remains as well. It’s quick, easy and means we can be back up and running in no time, with all your apps and data ready to use. Normally when you install a new version of macOS, you just install it over the previous version. Get Setapp, a toolkit with fixes for all Mac problems