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1. #Install new mac os on old mac mac os x
2. #Install new mac os on old mac install
3. #Install new mac os on old mac manual
4. #Install new mac os on old mac software

Mavericks: sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ OS\ X\ Mavericks.app

Type or paste the following commands in Terminal: Open Terminal from the Utilities folder of your Applications folder.ģ. It should have at least 12 GB of available storage.Ģ.

#Install new mac os on old mac mac os x

But first, you need to create a bootable drive using a USB containing Mac OS X of your choice.

#Install new mac os on old mac install

Once it’s all prepared, it’s time to clean install OS X. The OS X Installer (downloaded from the App Store).Don’t want to wait? In the menu bar at the top of your screen, a few icons left of the Date & Time, click on the “arrow clock” icon and select “Back Up Now.”.On the right, under the name of the storage device, there are three lines that say, “Oldest backup,” “Latest backup,” and “Next backup.” Your backup should be scheduled within the next 5 minutes.Click “On” on the left-hand side of the screen to turn Time Machine on.Select where you wish to save your files (an external drive works best, Apple Time Capsule is a safe bet).Note: If you don’t do this step, you will not be able to recover files, nor restore anything if something goes wrong. Step 2: Back up your Macīefore you begin to reinstall Mac OS from USB, you should back up your Mac. Once you’ve finished the cleanup, head to the next step. It’ll help you clear out gigabytes of junk that you probably didn’t even realize were there. If you want to clean up more junk on your Mac, go through each of the modules located on the left panel of the app.

After all, a newly installed OS X feels better on a clean computer.ĭownload CleanMyMac and then follow the steps:Īnd you’re done. It scans your hard drive for old caches, broken apps, and app leftovers so you can remove all unwanted files in a minute or two. Among those, CleanMyMac 3 is our favorite as it looks most user-friendly of all. There are many nice apps that offer a quick Mac clean up. Next off, do the same steps, but now replace.Īutomatic solution for system junk cleanup Note: Do not remove the folders themselves, just their insides.

#Install new mac os on old mac manual

The manual way to remove old user caches: If you don’t want to spend the next 20 minutes on repetitive clicking and typing, jump right to the automatic solution further down.

What's more, old caches may interfere with your new Mac OS X installation, so this step is pretty essential.Ĭleaning can be done either manually or using a dedicated app. Having cleaned them up, you may discover around 35 GB of newly created space previously taken by junk.

#Install new mac os on old mac software

Whatever OS X you are currently on, system junk and outdated cache files are a potential source for software conflicts. Step 1: Clean system junk on your current Mac OS X We’ve got the steps outlined below, so let’s get to it. And finally, after doing a backup, you can clean install OS X of your choice from USB. Once it’s all cleaned up, the next you should do is backup your newly cleaned Mac. First, you should clean up your Mac from the old baggage - system files that have piled up over time. To clean install Mac OS from USB, there are three things you should do. So if you’re looking to give your Mac a fresh start with just a classic Mac OS X and nothing else, to clean install Mac OS from USB is the best option for you. There are so many things you can do with past OS X - like Lion, Mavericks or Yosemite - each one of these operates flawlessly. Those who still rely on older Mac OS X operating systems, know these still are going strong. But to help you do it all by yourself, we’ve gathered our best ideas and solutions below.įeatures described in this article refer to the MacPaw site version of CleanMyMac X. So here's a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article.