![]() If Software Update finds new software, click the Update or Upgrade button to download and install it. Or in earlier versions of macOS, choose Apple menu > System Preferences, then click Software Update. ![]() Click General in the sidebar, then click Software Update on the right. You can do a good amount of disk cleanup on your own, and there are some excellent programs (both free and commercial) which can help you with those tasks. From the Apple menu in the corner of your screen, choose System Settings. (You are making backups to an external device, right?)įinally, when you begin this process, you might want to do as much disk cleanup/maintenance as possible. And the easiest way to do that is to use SuperDuper! or Carbon Copy Cloner to make a bootable backup. Within OS X Utilities, choose Reinstall OS X. Prepare a clean external drive (at least 10 GB of storage). The following method allows you to download Mac OS X Lion, Mountain Lion, and Mavericks. Install older OS X onto an external drive. But upgrading might not be as "safe" or "OK" as doing a clean, fresh installation of the new OS, and then migrating/copying needed files, folders, settings etc. Below is the detailed instructions on how to do it. Maybe skip 2 of them and upgrade to Yosemite. Mac OS X was launched more than two decades ago on March 24. I would advise not skipping "too many" of the various versions. If you are looking for help installing Sonoma read: How to update macOS and Fixes for Macs that won’t update. Third, you need to be concerned about any third party software you are using, and most likely, will need either to upgrade some/most/all of them to be compatible with the OS you want to move to, or possibly some of them might not work at all.įourth, for High Sierra, Apple introduced the APFS file system, so that could be a challenge. macOS updates and upgrades also include the latest features and built-in apps such as Safari. To maintain your computer's security, stability, and compatibility, Apple recommends using the latest macOS that is compatible with your Mac. Secondly, there are 6 more recent versions you could install: Download and install current or previous versions of the Mac operating system on compatible Mac computers. First off, you are running OS 10.7.5, which is Lion.
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