OS X Mountain Lion (version 10.8) is the ninth major release of macOS, Apple Inc.' S desktop and server operating system for Macintosh computers. OS X Mountain Lion was released on July 25, 2012 for purchase and download through Apple's Mac App Store, as part of a switch to releasing OS X versions online and every year, rather than every two years or so. OS X Mountain Lion (version 10.8) is the ninth major release of macOS, Apple Inc.' S desktop and server operating system for Macintosh computers. OS X Mountain Lion was released on July 25, 2012 for purchase and download through Apple's Mac App Store, as part of a switch to releasing OS X versions online and every year, rather than every two years or so. Below you can find a detailed instruction on how to install OS X Montain Lion on VirtualBox quickly and easily. Computer Requirements. First of all, you will need a machine with Windows to run Mac OS X on Windows. Note: your Windows OS should to be 64-bit, since OS X Mountain Lion is a 64-bit OS. Is an upcomming project for android devices. It’s a AOSP/CAF custom ROM based on latest Android 11 sources. We keep performance and good battery life always in mind, and try to take the best out of ur devices. (Lions-Cub) is the first release build of Lion-OS, it is released for Redmi note 8/8T (ginkgo/willow). Mac OS X Lion (version 10.7; marketed as OS X Lion) is the eighth major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers. A preview of Lion was publicly unveiled at Apple's 'Back to the Mac' event on October 20, 2010.
Mac OS X 10.7 'Lion' Q&A - Updated August 29, 2011
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Os Lion Update
Which Macs are compatible with Mac OS X 10.7 'Lion'? Which Macs are not compatible? Can incompatible Macs be 'hacked' or upgraded to run Mac OS X 10.7 'Lion'?
Apple formally notes that Mac OS X 10.7 'Lion' is compatible with 'an Intel-based Mac with a Core 2 Duo, i3, i5, i7 or Xeonprocessor and [at least] 2 GB of RAM.' It needs to be running Mac OS X 10.6.6 (or higher, 10.6.8 is recommended) 'Snow Leopard' as well.
In other words, assuming sufficient RAM and the final version of 'Snow Leopard' is installed, Lion is compatible with all Intel-based Macs except for those with Core Solo or Core Duo processors. It it not compatible with older PowerPC-based systems either.
Identifying Macs & Determining Processor Type
To check the processor on a particular Mac, select 'About This Mac' under the 'Apple' menu. If you're not in front of a particular Mac and need to check its compatibility, EveryMac.com's 'Maximum Supported Version of Mac OS X' listing from the By Capability section of the site also can be helpful for a single page rundown.
If you need to identify a Mac, look it up with EveryMac.com's Ultimate Mac Lookup by its Serial Number, its Model Identifier listed in software and more.
Determining Installed RAM
Just below the 'Processor' information, the same 'About This Mac' screen also provides the amount of RAM installed. As long as your Mac meets the processor and operating system requirements and it has at least 2 GB of RAM, it is Lion-compatible. If the only incompatibilities are operating system and/or RAM, upgrading the system accordingly will make it compatible.
By default, the following Macs shipped with less than 2 GB of RAM:
If you have one of the above Macs and the RAM has not been upgraded already from the stock configuration, its RAM will need to be upgraded prior to running Lion.
EveryMac.com's Mac Upgrades section provides RAM upgrade instructions for all of these models.
'Hack' Options for Incompatible Macs
As first reported by the well respected hacker, Netkas, the final version of Mac OS X 10.7 'Lion' has a Finder that only runs in 64-bit mode, and as a result, the software cannot be 'hacked' to install on Core Solo or Core Duo-based Macs, as these are 32-bit processors. Earlier developer's preview releases had a Finder capable of running in 32-bit mode and it could be 'forced' to install on these unsupported models, but it is no longer a feasible option.
However, as first reported by XLR8YourMac -- although Apple does not support such upgrades and it may not be cost-effective -- it still is possible to 'hack' the Core Solo and Core Duo Mac mini and iMac models by upgrading the processor to a Core 2 Duo and then installing OS X Lion.
Older PowerPC-based Macs definitely cannot be 'hacked' in any way to support Mac OS X 10.7 'Lion.'
Site sponsor OWC sells RAM compatible with all Intel Macs for systems that need to be upgraded prior to installing Lion.
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Mac OS X Lion is only available as a $20 from the Apple Online Store (not the App Store) when you purchase
you will e-mailed a redeem code which you use in the App Store (not the Apple Online Store).
From macOS Sierra Apple stopped the Purchased section of the App Store showing previously downloaded
OS's.
If you want to try internet recovery follow this,
The certificates for several of Apples OS's expired in October 2019, Apple have been very poor at getting these updated on their Recovery Servers with valid certificates. This may be the problem you are experiencing.
Try this workaround, we are going to set the time and date on your mac to a date previous to the expiry date of the certificates.
Connect your mac to your router via cable, not WiFi
Boot to your Recovery HD, click on Utilities in the menubar select Terminal.
Make sure WiFi is switched off, it can reset the date back to today.
Enter a new date, for example or just copy and paste
press Return
enter your password
press Return
If Terminal returns an error saying sudo : command not found, then try again without sudo.
Now try downloading the OS.
If this works then when the OS is installed and booted up you can Open System Preferences> Date & Time
and reset the time back to today.
Os Lion Disc
Your 2019 iMac can install Yosemite or El Capitan which are available as free downloads.
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