To download and install OS X Yosemite: Click the App Store icon on the Dock. The App Store will open. Locate and select OS X Yosemite, then click Free Upgrade.
Before you get started, it's a good idea to back up your Mac. Then follow these steps to find and install any available software updates or upgrades. From the Apple menu in the corner of your screen, choose System Preferences. In the System Preferences window, click Software Update.
The latest version of Chrome OS
|Platform||Platform Version||Release Date|
|Chrome OS on Chromebooks||14816.99.0||2022-07-07|
By default, Chrome OS devices update to the latest version of Chrome when it's available. We recommend that you keep the default auto-update settings. That way, your users' devices will automatically update to new versions of Chrome OS as they're released on the Stable channel.
Open System Preferences. Click on System Preferences in the menu bar at the top of your screen. Click on Erase All Content and Settings. Enter your password.
Check for updates yourself
As an owner of an Android device, you probably know that the Android operating system (OS) requires an update every so often. These updates improve the security, fix any bugs, and add more features to your device.
Which macOS version is the latest?
|OS X El Capitan||10.11.6|
|OS X Yosemite||10.10.5|
|OS X Mavericks||10.9.5|
|OS X Mountain Lion||10.8.5|
To start the installation process, select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions. Follow these guidelines during installation: If the installer asks to unlock your disk, enter the password you use to log in to your Mac.
|Specs at a glance: 2020 MacBook Air|
El Capitan arrived in September 2015 and can run on the following Macs:
Catalina compatibility MacBook (2015 to 2017) MacBook Air (Mid-2012 to 2019)
Your laptop should be able to run macOS 10.13 without any problems although macOS 10.13 has not received any security updates for a few years. If you are familiar with Linux, then Linux would be a good option for having an up to date OS in order to extend the useful life of the older computers.