Mac os lion to el capitan9/22/2023 ![]() ![]() Follow the steps in the referenced article (it's about 3/4 of the way down the page).If you can't find the version that you want, from the App store (like version Snow Leopard, which wasn't on the App store, this would require buying a CD or DVD that has it):ĭon't download from a third party source because of the risk of viruses. If the OS is on the App store, you should be able to re-download it".įind the version you want, and click install (to the flashdrive, I suppose) You need a flash-drive with at leat 12 gb available. "You'll need to create a bootstable installer." Your Mac will now restore this backup, and downgrade you to an earlier version of macOS in the process!" Choose the backup that you want to reinstate, which will typically be the last backup you created before updating macOS. The next screen will display all of your backups. For users without broadband access, the upgrade is available at the local Apple store. Follow the simple instructions to complete the upgrade. On the ‘Restore from Time Machine’ screen, click ‘Continue.’ The following is steps for upgrading to Mac OS X 10.11 Capitan: Visit the Mac App Store. In macOS Utilities, select ‘Restore from Time Machine Backup.’ ![]() Release these keys as soon as you see the Apple logo. Restart your Mac while holding down the ‘Command+R’ keys. The OS X 10.11 El Capitan upgrade is available only at the Mac App Store, which means if you have versions of Snow Leopard 10.6.7, Mavericks, Yosemite, Lion. ![]() "If the backup is stored on an external or network drive, then make sure this drive is available to your Mac. (If you do this, make sure to save all the changes to documents and such, on a drive or something.): If you have a Time Machine backup (an OS stored usually on an external drive), then you can revert to it the following way. ![]()
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