Many times we need to install apps which are not present on the Apple Mac OS X Store. In such cases we either download the app from external sources on the web. These apps prompt errors such as”app can’t be opened because it is from an unidentified developer” when we try to install them. In this tutorial we will show you two ways to Open & install Applications or Programs from Unidentified Developer in Mac OS X. This method has been tried & tested on Mountain Line, Mavericks, Yosemite as well as El Capitano too.
Method – 1 Method to Install App from Unidentified Developer Using Command Click .
In the menu select “Open”.
Method – 2 Creating a Manual Exception for the App in System Preferences
The first two steps in this method are same as that of the first one –
In the System Preferences Window select “Security & Privacy” as shown below –
Geeky Note – All Apps for Mac OS X need to be signed by Apple which is a paid process, and all developers cannot afford them. Hence, they directly distribute their app packages which are marked as “unidentified” by Apple. Please do check the App Source before you trust your downloaded app/Program.