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. (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. 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. Maybe skip 2 of them and upgrade to Yosemite. A few things before you install new macOS 10.13 High Sierra. Fortunately they are pretty easy to obtain.
I would advise not skipping "too many" of the various versions. The only way to upgrade to an older version of Mac OS X is to have a copy of the installer. 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. Secondly, there are 6 more recent versions you could install: With its “Junk Files” feature, it not only cleans temporary files including logs, mail caches, iTunes, and iOS temporary files, and empties trash for the current user, but also detects remaining files after deleting apps.First off, you are running OS 10.7.5, which is Lion. It’s really great to have such a system optimizing tool. To upgrade to Sierra from, say, Mavericks, you’ll have to. I must tell you there is a savior for your Mac – Cleaner One Pro. if you’re running an OS version like Lion (OS X 10.7), you’re looking into a lot of upgrading before getting Sierra.
There are also probably many apps you have never used and don’t need anymore. Let’s say someday your Mac has a lot of junk files and duplicate photos. I believe you also want to keep your Mac clean. If you have done a complete installation of macOS, you must be enjoying the completely new macOS now.
Click “Install” and wait until the upgrade is done Agree to the software terms and conditions. When the installation window appears, click “Continue” again. When it returns to the former page, insert your USB and click “Continue”. Select “Mac OS Extended (Journaled)” from the list of volume formats and start formatting.į. Open “Disk Utility”, choose your startup disk, and then click “Erase”.Į. Press and hold “Command+R” when you hear a startup ring (or when the screen on your newer Mac device turns black), and hold down the keys until your computer restarts.ĭ.
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