- Compatible with:
- Windows
- Available in:
- Malwarebytes Device Protection & Antivirus
Review the items below to ensure a successful installation of the Malwarebytes app on Windows devices. For device requirements, see System Requirements for Malwarebytes for Windows and Mac.
Before installing Malwarebytes on your Windows device:
- Verify the device has an active internet connection.
- Verify the following rule is added to the Firewall: ark.mwbsys.com on port 443.
- Temporarily disable the following:
- Third-party antivirus software
- VPN or proxy settings
- For Windows 8.1 devices and below, you must upgrade to a later Windows version before downloading the app.
To ensure that Malwarebytes installs correctly:
- Run the installer locally on your device and not from a network drive.
- Reboot the system immediately when the installer requests a restart. The installer should launch automatically. Do not start the app manually.
- If you are upgrading, install to the same location as the previous version. Most users install in the default location, C:\Program Files\Malwarebytes.
- To install in a different location, you must first uninstall the app from the device.
- On Windows 10 and Windows 11, if you see a message window with The app you're trying to install isn't a Microsoft-verified app, update your app installation settings.
- Click Change my app recommendation settings on the message window to go to the Apps & Features menu. Under Choose where to get apps, select Anywhere.