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How to install os x 10.9 on mac
How to install os x 10.9 on mac










how to install os x 10.9 on mac

You should now be able to install/run applications that are tagged as being from an "Unidentified Developer". On the prompt that appears, click Allow From Anywhere.Įxit System Preferences by clicking the red button in the upper left of the window. Under the section labeled Allow applications downloaded from:, select Anywhere.If the lock icon at lower left is "locked", click the icon labeled Click the lock to make changes.Įnter your username and password into the prompt that appears and click Unlock. Make sure that the General section of the the Security & Privacy pane is selected. Open the Security & Privacy pane by clicking Security & Privacy. This can be done by either clicking on the System Preferences icon in the Dock or by going to Apple Menu > System Preferences.

how to install os x 10.9 on mac

In the meantime, Users can follow the directions below to prevent this error message from appearing Directions:

how to install os x 10.9 on mac

Physical media, and the error below is displayed: Install or run some applications downloaded from the internet or stored on Sometimes, when a known developer (such as Microsoft or PowerSchool) needs to update their application's code to cofirm their "identity" with Apple, an error may occur.

How to install os x 10.9 on mac mac os#

By default, Mac OS 10.8.x, 10.9.x, 10.10.x, 10.11.x and macOS only allows users to install or run applicationsįrom 'verified sources'.












How to install os x 10.9 on mac