Gatekeeper on Mac OS: How to Install Downloaded Applications

Some apps downloaded and installed from the Internet could adversely affect your Mac. Gatekeeper helps protect your Mac from such apps. Read this article to learn about Gatekeeper and its options.

Overview

By default, your Mac may be configured to only allow the installation of applications approved by Apple. To install certain applications, you may need to change your system settings to allow other application to be installed. Once you've completed the installation, you can revert to your preferred settings.

Disable Gatekeeper

• Click on the Apple Icon in the upper left corner of the screen and open System Preferences
• Click on Security & Privacy
• Under Allow Applications Downloaded From, select Anywhere

Configure Gatekeeper

For more information about Gatekeeper, please see Apple's Knowledge Base article here.