Download and install Malwarebytes for Mac v3

Document created by jyamada Employee on Aug 22, 2018Last modified by jgolomb on Nov 11, 2019
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To use Malwarebytes for Mac on your Mac running macOS or OS X, download and install Malwarebytes for Mac using these instructions. You can use this article to guide you through the Malwarebytes for Mac installation process. These steps also apply to re-installation, or how to reclaim the application in case of an accidental uninstall.


Download and Install Malwarebytes 

  1. If you are on macOS 10.10 Yosemite, download version 3 of Malwarebytes for Mac. If you have a newer version of macOS, instead see Download and install Malwarebytes for Mac v4.

  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 only allow apps from the App Store to be opened, you may receive a security warning dialog. 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.
    Image of Malwarebytes for Mac version 3 installation wizard.

  5. Read the Malwarebytes Software License Agreement, then click Continue.
    Image of Malwarebytes Software License Agreement screen in the Malwarebytes for Mac setup wizard.

  6. To confirm you agree to the Software License Agreement, click Agree
    Image of confirmation screen that you have read the Malwarebytes Software License Agreement in the Malwarebytes for Mac setup wizard.

  7. Click Install.
    Image of Installation Type screen in the Malwarebytes for Mac setup wizard.

  8. Enter your Mac User Name and Password, then click Install Software.
    Image of Install Software login requirements screen in the Malwarebytes for Mac setup wizard.

  9. After Malwarebytes for Mac has finished installing, click Close to exit the setup wizard.
    Image of successful installation screen in the Malwarebytes for Mac setup wizard.

  10. A screen asks what kind of computer you are installing Malwarebytes on. This choice determines the kinds of Malwarebytes product notifications you will receive periodically. Click either Personal Computer or Work Computer, then click Continue. See bullets below for a description of each option.

    Image of Work or Personal Computer bifurcation option screen.

    • Personal Computer: is a device owned by you or your family for home and personal use. Dashboard notifications after choosing Personal Computer may look like the following:
      Image of Malwarebytes Dashboard on Mac device.

    • Work Computer: is a device owned by your company or place of employment. This option is intended for Malwarebytes for Teams customers or Macs used primarily in a work or business environment. Dashboard notifications after choosing Work Computer may look like the following:
      Image of Malwarebytes Business Dashboard.

  11. If the Malwarebytes for Mac installer is located in the Downloads folder, you will see a prompt with options to Keep or Move to Trash.

  12. 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.

  13. If you click Not Now, you will be directed to the Dashboard.

  14. Click Turn Protection On and the following screen is displayed.  Click OK.

  15. Click Open Privacy Settings.  The System Preferences window opens.

  16. Go to Security & PrivacyGeneral tab, if necessary, click the Allow button. This is required to enable real-time protection. For a video walk-through, see How to Activate Malwarebytes for Mac.


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


See also


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