Install mac os lion on macbook
You can use Disk Utility's Restore screen to create a bootable flash drive or hard drive.
When prompted, insert a blank DVD a single-layer disc should work, although you can use a dual-layer disc instead , choose your burn options, and click Burn. So if you plan to use that installer on other Macs, or to create a bootable disc or drive as explained here, be sure to copy the installer to another drive—or at least move it out of the Applications folder—before you install. If you don't, you'll have to re-download the entire thing from the Mac App Store.
If you've already installed Lion—so it's too late to move the installer—you've may find that the Mac App Store claims that Lion is already installed and prevents you from downloading it again. One of these three procedures should get rid of the "Installed" status for Lion and let you download it. Update : Apple appears to have recently made this process easier: If you previously purchased Lion from the Mac App Store, the button next to Lion in the Store should simply say Download—click it to re-download the installer. Here's our guide to installing Lion, from the best way to get your Mac ready, to undertaking the Apple bills Lion as the easiest-to-install version of OS X yet, and that may be true.
But there are If your Mac was released after Lion, it's not quite as easy to make a bootable Lion install disc or Some Mac users prefer to do a "clean install" of each major new version of OS X, erasing their One of the most significant new features of Lion is that it lets you boot your Lion-equipped Mac Apple has released a simple utility for creating a bootable Lion Recovery volume from any external Create a bootable Lion install drive Follow the prompts and be prepared to restart your computer.
A downgrade is different than an upgrade. When you try to downgrade macOS, the installer may not launch right away depending on which versions of macOS you are moving between. Creating a bootable USB or a bootable drive is not complicated.
Create a clean install on an internal or external drive
Once your drive is prepared with your bootable version of OS X, erase the unwanted version. Tab to the Erase page and name the file you want erased e. Hit Erase and quit out of Disk Utility. This will return you to the OS X Utilities selector. If you used Disk Drill for creating your bootable drive, a window will prompt your actions for using the install disk you made.
Perform a Clean Install of OS X Lion on Your Mac
Find and select your install disk with your bootable version of your preferred macOS, and click continue through to the license agreement. Once you agree, you should be prompted by the installer. Once the installation is completed, your computer should restart. If it does not restart itself, make sure you restart it normally.
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- How to get and install old Mac OS versions + The evolution of macOS (infographic).
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The downgrade should be complete! So downgrade away!
September 25, No big functionality updates, the focus is shifted to performance instead. A large grey Apple logo appears for the first time, replacing Happy Mac at startup. App arrivals: iChat and Address Book. Safari officially becomes the default web browser.
Long-awaited and Mac-changing. Leopard gives a spectacular leap, introducing Time Machine , Boot Camp, QuickLook, and full support for bit software.
How to Install OS X Mountain Lion (with Pictures) - wikiHow
While Leopard did a great job, Snow Leopard arrives to refine it even more. Mainly, it comes with apps rewritten in 64 bit and OpenCL. It gets easier to track app updates via the Notification Center. To enable secure password encryption and storage, iCloud Keychain in introduced. A completely new sleek design is what Yosemite is remembered for. September 30, El Capitan features Split Views — dual-window functionality for arranging and managing app windows.
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- How to Install Old OS X on Your Mac!
Plus, OS X September 20, Get the full infographic. Prepare your Mac first Make sure you are ready to downgrade your operating system by checking in with what version of OS X you already have and ensuring you have enough hard drive room to download the older version. To create a new backup with Get Backup Pro: Connect your external hard drive Click the plus icon in the bottom left corner Type in the name for your backup Choose your external drive as a destination Adjust all the settings according to your preference and click OK Tap the play button once you ready to perform the backup Download the OS X you want Once you have space on your computer, figure out what version of OS X you would like to install.
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Below is a chronological list of all the updates beginning with the most recent update, High Sierra, released in OS X High Sierra Install the bootable version of OS X If you used Disk Drill for creating your bootable drive, a window will prompt your actions for using the install disk you made. Get Setapp.
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