Download and install Malwarebytes for Windows v4

Document created by jgolomb Employee on Oct 8, 2019Last modified by jgolomb Employee on Nov 5, 2019
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To start using Malwarebytes on your Windows computer, download and install the latest version of Malwarebytes for Windows. Instructions are provided below to guide you through the installation process. These steps also apply to re-installation, or how to get back the program in case of an accidental uninstall.


  1. Download the latest version of Malwarebytes for Windows.

  2. Locate the setup file that was downloaded, Mbsetup.exe.
    In most cases, downloaded files are saved to the Downloads folder.

  3. Double-click the setup file.

  4. When User Account Control appears, click Yes.
    User Account Control requires permission to install Malwarebytes for Windows.
    Image of User Account Control window before installing Malwarebytes.

  1. 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.
    Image of the Personal or Work computer decision screen before Malwarebytes installation.

  2. To install Malwarebytes for Windows and agree to the End User License Agreement, click Agree and Install.
    To choose a different install location, click Advanced Options.
    Image of Malwarebytes Setup Wizard Install screen.

  3. When your Malwarebytes for Windows installation completes, the program opens to the Welcome to Malwarebytes screen. Click the Get started button.

  4. Malwarebytes asks if you would like to use either the Malwarebytes Free version or the Malwarebytes Premium version. Click one of the following buttons:
    1. Use Malwarebytes Free: To use the Malwarebytes Free version. This version only removes existing infections and has no proactive protection.
    2. Purchase Premium: To purchase a subscription for Malwarebytes Premium and unlock all protection features.
    3. Claim free 14-day trial: This button only appears if it is your first time installing Malwarebytes on your machine. Click this button to unlock Malwarebytes Premium features for 14 days. You must provide an email on the following screen to activate the trial.
    4. Activate License: To input a license key which activates a Malwarebytes Premium subscription. For more details, see Activate Premium subscription in Malwarebytes for Windows v4.


Once you have chosen to activate a Malwarebytes Premium subscription, activate a 14-day trial, or use the Malwarebytes Free version, you are taken to the main Dashboard of the program. Malwarebytes is successfully installed on your Windows device.



Return to the Malwarebytes for Windows guide v4