#Mac os x mountain lion iso install how to
#Mac os x mountain lion iso install mac os x
#Mac os x mountain lion iso install mac os

If you desperately need a lower OS X version build, consider creating a new Developer account among other options. If you are signed with an Apple Developer account, you can get access to products that are no longer listed on the App Store.

#Mac os x mountain lion iso install mac os

Without App Store: Download Mac OS version as Apple Developer This method allows you to download Mavericks and Yosemite by logging with your Apple ID - only if you previously downloaded them from the Mac App Store. Scroll down to find the preferred OS X version.The purchased section lists only those operating systems that you had downloaded in the past. However, it doesnвЂ™t always work that way. There youвЂ™ll find all the installers you can download.

#Mac os x mountain lion iso install mac os x

If you once had purchased an old version of Mac OS X from the App Store, open it and go to the Purchased tab.

#Mac os x mountain lion iso install how to

How to download older Mac OS X versions via the App Store If you succeed in downloading the OS installation, your next step is to create a bootable USB or DVD and then reinstall the OS on your computer. The main challenge is to download the OS installation file itself, because your Mac may already be running a newer version. ThatвЂ™s why going back to a past Apple OS version is problematic. Normally, it is assumed that updating OS is a one-way road. It deletes system junk, old broken apps, and the rest of hidden junk on your drive.Дownload CleanMyMacВ for OS 10.4 - 10.8 (free version)Дownload CleanMyMac for OS 10.9 (free version)Дownload CleanMyMacВ for OS 10.10 - 10.14 (free version)

Our favorite is CleanMyMacВ as itвЂ™s most simple to use of all. If you arenвЂ™t comfortable with cleaning the Mac manually, there are some nice automatic вЂњroom cleanersвЂќ. Then you can move your space hoggers onto an external drive or a cloud storage. Go to Finder > All My Files > Arrange by size Locate the biggest files on your computer:.Here are some ideas to free up space on your drive: Next, you will need enough disk space available, for example, to create Recovery Partition. Note, that it is recommended that you install OS on a clean drive. The chart below tells you how much free spaceВ is needed. One more argument is that the free space on your disk translates into virtual memory so your apps have вЂњfuelвЂќ to operate on. This includes not just space for the OS itself but also space for other applications and your user data. Given your Mac isnвЂ™t new and is filled with data, you will probably need enough free space on your Mac. WeвЂ™ll be repeatedly referring to these Apple OS versions below, so itвЂ™s good to know the basic macOS timeline. Further down weвЂ™ll explain where to get one and what problems you may face down the road. Finally, if you want to run a parallel copy of Mac OS X on a virtual machine, you too will need a working installation file of an older Mac OS X. Also, you may have noticed your MacвЂ™s performance went down right after the last update. To begin with, some of your apps may not be working properly (or simply crash) on newer operating systems. There are many reasons that could point you to this radical decision. So, youвЂ™ve decided to download an older version of Mac OS X. Now, check out our more solutions below.ДЇeatures described in this article refer to the MacPaw site version of CleanMyMacВ X. It removes only safe-to-delete files and is notarized by Apple. So hereвЂ™s the tip for you: download CleanMyMac X to refresh your MacвЂ™s drive automatically.