Topics Map > OS and Desktop Applications > Operating Systems > Mac OS X
This document describes how to enable installation of applications from sources other than the Mac App Store on macOS.
To apply settings for Chrome Browser users on Windows, Mac, or Linux computers, turn on Chrome Browser management for the organizational unit that they belong to. Allow all other apps and extensions—Users can install all apps and extensions from the Google Play store and Chrome Web Store except the ones that you block.
- Mac App Store: The Mac will only run apps downloaded from the Mac App Store. Mac App Store and identified developers: When you try to open a new app and it’s not on the list of identified.
- With Windows 10 Creators Update, Microsoft introduced a new feature similar to Gatekeeper on macOS. It is called “Allow apps from the Store only” and is now available on the 15031 and above builds in the Settings applet. It’s intended to improve system’s security and stability by preventing the installation of apps outside the Windows Store.
Background:
By default, Mac OS only allows users to install applications from 'verified sources.' In effect, this means that users are unable to install most applications downloaded from the internet or stored on physical media without receiving the error message below:
Users can follow the directions below to prevent this error message from appearing in one of two ways:
- Changing Gatekeeper's settings (10.8.x / 10.9.x / 10.10.x / 10.11.x)—this is useful for users who download a lot of programs that are not from 'verified sources.'
- Changing Gatekeeper's settings (10.12.x / 10.13.x)—the same steps as above, but for Mac's Sierra and High Sierra OS
- Manually allowing individual applications to launch—this is the best method for users who do not want to change the global setting to allow all applications to run.
For more information about this message, please visit Apple's KB article on the topic: http://support.apple.com/kb/HT5290. Amazon cloud download for pc.
Change Gatekeeper Settings (10.8.x / 10.9.x / 10.10.x / 10.11.x):
- Open the System Preferences. This can be done by either clicking on the System Preferences icon in the Dock or by going to Apple Menu > System Preferences. Download star wars commander for mac.
- Open the Security & Privacy pane by clicking Security & Privacy.
- Make sure that the General tab is selected. Click the icon labeled Click the lock to make changes.
- Enter your username and password into the prompt that appears and click Unlock.
- Under the section labeled Allow applications downloaded from:, select Anywhere. On the prompt that appears, click Allow From Anywhere.Note: In Max OSX 10.12 Sierra and 10.13 High Sierra, the 'Anywhere' option does not appear. In these cases you will need to follow the instructions below for manually launching the application
- Exit System Preferences by clicking the red button in the upper left of the window. You should now be able to install applications downloaded from the internet.
To Manually Launch Application:
- While holding down the control key on your keyboard, click the application's icon once to make a dropdown menu appear.
- Select Open from the menu. A new window will appear.
- Click Open in that window to launch the application. You should only need to do this once per application, on the first launch. After that, you'll be able to launch the application any way you like.
![Mac Not Allowing App To Download Mac Not Allowing App To Download](/uploads/1/2/6/7/126738734/221470704.jpg)
Change Gatekeeper Settings (10.12.x / 10.13.x):
- For OSX Sierra, we recommend consulting Apple's documentation at the following link: macOS Sierra: Open an app from an unidentified developer
Hi I was wondering if anyone can help me with an issue I currently have with my mac book air?
MacBook Air info:
-Purchased new, late 2012
-Processor: 1.7 GHz Intel Core i5
-Memory: 8 GB 1600 MHz DDR3 https://umrenew177.weebly.com/blog/aol-desktop-for-mac-lion-download.
-Storage Capacity: 120 GB
-Storage Capacity Free/Left: 68 GB
-Current OS X 10.9.5 (13F1911)
I am trying to download 'Microsoft One Note' onto my MacBook Air but it won't seem to let me. It keeps coming up with an error message;
'We could not complete your purchase. (null) can’t be installed on “Macintosh HD” because OS X version 10.10 or later is required.'
I have however downloaded and installed the 'macOS High Sierra' recently.
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This problem occurs to other apps as well when i try to download them off the App Store onto the MacBook Air.
Any help/advice on what to do?
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