Select Install (or depending on your version, Install Office). You signed in with a work or school account From the Microsoft 365 home page select Install Office apps (If you set a different start page, go to aka.ms/office-install.) Select Office 365 apps to begin the installation. Oct 20, 2019 Generally, you can download.dmg or.pkg or plugin files and install on your Mac. Apple checks the following when you install app from the third-party websites: Check it is a trusted software using Gatekeeper technology. Verify the identity of the developer using Developer ID in.
- Currently if you install an update you can use your Mac while it downloads, but when installation takes place - which can take an hour or more - you can’t access your Mac.
- Aug 13, 2019 If, after all the other steps listed above, you still can’t get your Mac to install or update apps, a complete factory restore may offer the solution. Doing so will erase all your data and reinstall the macOS, so ensure you have a backup first.
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How to get updates for macOS Mojave or later
If you've upgraded to macOS Mojave or later, follow these steps to keep it up to date:
- Choose System Preferences from the Apple menu , then click Software Update to check for updates.
- If any updates are available, click the Update Now button to install them. Or click ”More info” to see details about each update and select specific updates to install.
- When Software Update says that your Mac is up to date, the installed version of macOS and all of its apps are also up to date. That includes Safari, iTunes, Books, Messages, Mail, Calendar, Photos, and FaceTime.
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To find updates for iMovie, Garageband, Pages, Numbers, Keynote, and other apps that were downloaded separately from the App Store, open the App Store on your Mac, then click the Updates tab.
To automatically install macOS updates in the future, including apps that were downloaded separately from the App Store, select ”Automatically keep my Mac up to date.” Your Mac will notify you when updates require it to restart, so you can always choose to install those later.
How to get updates for earlier macOS versions
If you're using an earlier macOS, such as macOS High Sierra, Sierra, El Capitan, or earlier,* follow these steps to keep it up to date:
- Open the App Store app on your Mac.
- Click Updates in the App Store toolbar.
- Use the Update buttons to download and install any updates listed.
- When the App Store shows no more updates, the installed version of macOS and all of its apps are up to date. That includes Safari, iTunes, iBooks, Messages, Mail, Calendar, Photos, and FaceTime. Later versions may be available by upgrading your macOS.
To automatically download updates in the future, choose Apple menu > System Preferences, click App Store, then select ”Download newly available updates in the background.” Your Mac will notify you when updates are ready to install.
* If you're using OS X Lion or Snow Leopard, get OS X updates by choosing Apple menu > Software Update.
How to get updates for iOS
Learn how to update your iPhone, iPad, or iPod touch to the latest version of iOS.
Learn more
- Learn how to upgrade to the latest version of macOS.
- Find out which macOS your Mac is using.
- You can redownload apps that you previously downloaded from the App Store.
- Your Mac doesn't automatically download large updates when it's using a Personal Hotspot.
I upgraded to Mountain Lion. Safari is not adequately functioning for numerous websites. I downloaded both Firefox and Chrome....but I can't install them because they didn't come from the App Store!!!! .... and of course, they're not offered in the App Store.
I have also purchased several programs over the years, such as Audiobook Builder. I have a legal license and key. But I can't install from the .dmg file because I didn't download it from the App Store. It IS offered in the App Store, but I have to pay for it again!!! This is the case with 14 other programs including Disk Warrior, SuperDuper, ChronoSync, etc. Some aren't even in the App Store and others I'm expected to repurchase.
Complete user migration seems to be the only way I can get these apps on my new Mt. Lion machine.....but I am amalgamating three Macs into 1 new spec-ed out laptop. I don't have the space to migrate all of the user accounts from my Air, Mini and iMac.
How do I install (legally) purchased software such as AudioBook Builder OR free software such as Firefox onto my computer without repurchasing them? Or, in the case of Firefox, when it's not available in the App Store?
MacBook Air (13-inch, Mid 2012), OS X Mountain Lion
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