Download El Capitan here. If you have a newer Mac, there is no physical option to install Mac OS versions older than your current Mac model. But as it often happens, workarounds are possible. There is still a chance to download the installation file if you have an access to a Mac or virtual machine running that operating system. For example, to get an installer for Lion, you may ask a friend who has Lion-operated Mac or, once again, set up a virtual machine running Lion.
Then you will need to prepare an external drive to download the installation file using OS X Utilities. Below is the detailed instruction how to do it. Now the OS should start downloading automatically onto the external drive. After the download is complete, your Mac will prompt you to do a restart, but at this point, you should completely shut it down.
Locate InstallESD. The same steps are valid for Mountain Lion and Mavericks. If your Mac runs macOS Sierra Instruction to downgrade from macOS Sierra.
Before you do it, the best advice is to back your Mac up so your most important files stay intact. In addition to that, it makes sense to clean up your Mac from old system junk files and application leftovers. The easiest way to do it is to run CleanMyMac X on your machine download it for free here. They should have image installations going back to OS Leopard and earlier. You can also ask their assistance to create a bootable USB drive with the installation file. So here you are.
You will be taken step by step to install correctly the operating system. Click and installation will begin. As a security measure, check the free space amount on your hard. Otherwise, the installation will fail. Restart your computer, and during the booting enter to Recover menu. If the computer fails to boot, create an external startup disk; restart your computer is safe mode and try to reinstall macOS High Sierra. A stable release of macOS High Sierra will avoid any random crashes.
The previous version bugs are eliminated, new features are added. Then double-click the file within, named InstallOS. After installation of the installer is complete, open the Applications folder on your Mac, then double-click the file named Install macOS Sierra. Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both macOS and related updates to your Mac firmware. Skip to content. Read our blog posting on ARM Windows 10 Pro on ARM Windows 10 is now shipping on ARM64 based tablets and laptops which feature long battery life, x86 compatibility, and fast bit performance.
Haswell's great leap forward: The Intel Haswell processor has arrived! Darek looks at what makes this the most significant improvement to x86 in many years. The year of Smaller, Thinner, Faster: A look back a Read Paper as PDF.
Malo France. More Bochs 2. EXE Download sources. Travel back in time on YouTube to see these low budget Emulators. Gemulator promo video from Part 1Part 2Part 3. SoftMac instructional videos from 1 2 3 4 5. A little bit more history about us.
0コメント