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 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. Whatever OS X you are currently on, system junk and outdated cache files are a potential source for software conflicts.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 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 OS X and nothing else, clean installing 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.

Those who still rely on older 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.

Mac os to usb