Mac OS X Mountain Lion (version 10.8) is the nineth major release of Mac OS X (now named macOS), Apple’s desktop and server operating system for Macintosh computers. OS X Mountain Lion brings a lot of great things from iPhone, iPad, and iPod touch to the Mac. You can send iMessages. Get your Mac in on Game Center. Receive notifications. PrimeOS operating system gives a complete desktop experience similar to Windows or MacOS with access to millions of Android apps. It is designed to bring you the best of both worlds - a complete fusion of Android and PC. Note: Read 'Help' before downloading.
Check compatibility
You can upgrade to macOS Sierra from OS X Lion or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 8.8GB of available storage space.
MacBook introduced in late 2009 or later
MacBook Air introduced in late 2010 or later
MacBook Pro introduced in mid 2010 or later
Mac mini introduced in mid 2010 or later
iMac introduced in late 2009 or later
Mac Pro introduced in mid 2010 or later
To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . If your Mac isn't compatible with macOS Sierra, the installer will let you know.
Make a backup
Before installing any upgrade, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
Free Os For Mac Download Mac
Get connected
It takes time to download and install macOS, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.
Download macOS Sierra
For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of the Mac operating system.
If you still need macOS Sierra, use this link: Download macOS Sierra. A file named InstallOS.dmg will download to your Mac.
Install the macOS installer
Double-click the downloaded file to open a window showing its contents. Then double-click the file within, named InstallOS.pkg.
Follow the onscreen instructions, which will guide you through the steps necessary to install.
Begin installation
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.
Allow installation to complete
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.
Learn more
- If you have hardware or software that isn't compatible with macOS Sierra, you might be able to install the previous version, OS X El Capitan.
- macOS Sierra won't install on top of a later version of macOS, but you can erase your disk first or install on another disk.
- You can use macOS Recovery to reinstall macOS.
Mac OS X Leopard 10.5 is the sixth major release from Apple with a reliable Mac operating system providing various security and other enhancements along with many bug fixes. Download Mac OS X Leopard 10.5 latest version standalone offline setup DVD ISO image.
Mac OS X Leopard 10.5 Review
Apple is continuously increasing the stability and the security of the Mac OS X. Mac OS X 10.5 Leopard is a very reliable operating system, providing a lightweight environment with a sleek and user-friendly interface to handle all the user needs. It provides different bug fixes and numerous improvements for AirPort, Address Book, iChat, Clients Management, Mail, Graphics, Printing, Networking and Parental Controls etc. It is a long-awaited release with about 300 features and enhancements.
The most important feature of this release is that it does not forces the users for any upgrades. A redesigned Dock is there for the users to get even more comfortable environment. An automated backup utility is there, known as Time Machine to increase data protection. Numerous other enhancements make it a stable operating system for your Macintosh PC.
Features of Mac OS X Leopard 10.5
- Lightweight Mac OS X
- Increases the performance of the Mac
- 300 bug fixes and enhancements
- Various redesigned and new features
- Desktop
- Time Machine
- Finder
- Quick Look
- Safari
- Spaces
- iChat
- iCal
- Boot Camp
- Accessibility
- Parental Controls and many others
- Multi-core organization
- Enhanced sharing features
- User interface enhancements with redesigned dock
- Various security enhancements and much more
Technical Details of Mac OS X Leopard 10.5
- File Name: osx_leopard_10.5_install.iso
- File Size: 7.8 GB
- Developer: Apple
System Requirements for Mac OS X Leopard 10.5
Free Download For Macos High Sierra 10.13
- 9 GB free HDD
- 512 MB RAM
- Intel Processor Only
Mac OS X Leopard 10.5 Free Download
Apple Downloads Mac Os X
Download Mac OS X Leopard latest version 10.5 standalone offline DVD ISO image setup for Macintosh by clicking the below button. It is a reliable and stable release from Apple to handle all the user needs. You can also download Mac OS X Snow Leopard v10.6