Install Malwarebytes on Mac device

Windows Installation

Mac Installation

Android Installation


To use Malwarebytes for Mac on your macOS or OS X computer, download and install the latest version of Malwarebytes for Mac.  You can use this article to guide you through the Malwarebytes for Mac installation process.


Download and Install Malwarebytes 

  1. Download the latest version of Malwarebytes for Mac.
  2. Locate the downloaded file Malwarebytes-Mac-3.x.y.zzz.pkg.
    3.x.y.zzz represents the version number.
    In most cases, downloaded files are saved in the Downloads folder.

  3. Double-click the file Malwarebytes-Mac-3.x.y.zzz.pkg to start the setup wizard.

    Malwarebytes is an identified Apple developer. However, if your macOS settings have been set to only allow apps from the Apple App Store to be opened, you may receive a security warning dialog that the app was not downloaded from the App Store. Refer to Apple’s article MacOS Sierra: Open an app from an unidentified developer for more information.
    Image of Mac error dialog when attempting to download an app not from the App Store.
  4. The next screen shows the improvements and features available in this version of Malwarebytes for Mac. Click Continue.
  5. Read the Malwarebytes Software License Agreement, then click Continue.
  6. To confirm you agree to the Software License Agreement, click Agree
  7. Click Install.

  8. Enter your computer’s User Name and Password, then click Install Software.
  9. After Malwarebytes for Mac has finished installing, click Close to exit the setup wizard.
  10. If the MB for Mac installer is located in the Downloads folder, you will see a prompt with options to Keep or Move to Trash.
  11. After you’ve completed the steps above, you will see the following screen.

    If you have installed Malwarebytes before, you may not see this screen or the following steps. Skip to the end of the article if this is the case.
  12. If you click Not Now, you will be directed to the Dashboard.
  13. Click Turn Protection On and the following screen is displayed.  Click OK.
  14. Click Open Privacy Settings.  The System Preferences window opens.
  15. Go to Security & PrivacyGeneral tab, if necessary, click the Allow button. This is required to enable real-time protection.


If you purchased a Premium subscription, Activate Malwarebytes for Mac Premium to access features such as Real-Time Protection.


To configure settings, scans, and other features Malwarebytes for Mac offers, refer to the Malwarebytes for Mac User Guide.


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