Mac OS X 10.1 (Puma) is the second major release of the Mac OS X, which was released on September 25, 2001, as the free update for Mac OS X 10.0 users. It was distributed to the Mac users on October 25, 2001, at the Apple Stores and also in other retail stores which carried the Apple products. The maximum version of Mac OS X, OS X, or macOS supported by each G3 and later Mac follows. Rumpus 8 0 12 – high performance ftp server. For complete specs on a particular system, click the name of the Mac. For all Macs that are compatible with a specifc maximum supported version of Mac OS X - courtesy of EveryMac.com's Ultimate Mac Sort - click the OS of interest. The latest version of macOS is macOS 10.15 Catalina, which Apple released on October 7, 2019. Apple releases a new major version roughly once every year. These upgrades are free and are available in the Mac App Store. MacOS Catalina updates improve the stability, performance, or compatibility of your Mac and are recommended for all Catalina users. To get these updates, choose System Preferences from the Apple menu, then click Software Update. Learn more about updating the software on your Mac.
Hello raj.singh25Welcome to Apple Support Communities.
If I'm understanding correctly, several apps are not working because you need to update your macOS. I will be happy to help you with this. Your current version of macOS can be updated to macOS Sierra.
Take a look at the information below to ensure that you meet all of the other necessary system requirements to upgrade to macOS Sierra, from our article: How to get macOS Sierra
Can your Mac use Sierra?
macOS Sierra requires one of the following Mac models and versions of OS X. It also requires at least 2GB of memory and 8.8GB of storage space.
- iMac (Late 2009 or newer)
- MacBook (Late 2009 or newer)
- MacBook Pro (Mid 2010 or newer)
- MacBook Air (Late 2010 or newer)
- Mac mini (Mid 2010 or newer)
- Mac Pro (Mid 2010 or newer)
- OS X El Capitan v10.11
- OS X Yosemite v10.10
- OS X Mavericks v10.9
- OS X Mountain Lion v10.8
- OS X Lion v10.7
To find your model, memory, storage, and version of OS X, choose About This Mac from the Apple menu ().
Messenger app for mac. Get Sierra from the App Store
Before upgrading, it's a good idea to back up your Mac. Then follow these steps:
- Open the App Store app on your Mac.
- Search the App Store for macOS Sierra, or go directly to the macOS Sierra page.
- Click the Download button on the macOS Sierra page. A file named Install macOS Sierra downloads to your Applications folder.
- After download is complete, Install macOS Sierra opens automatically. (You can also open it from the Applications folder, Launchpad, or Spotlight.) Click Continue and follow the onscreen instructions.
![What What](https://cdn.images.express.co.uk/img/dynamic/59/590x/macOS-Sierra-not-only-gets-a-brand-new-name-but-plenty-of-very-useful-new-features-712635.jpg)
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