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Installing Avast Business Antivirus on Unmanaged Devices

Before You Begin

Before installing the Avast Business Antivirus (Pro/Plus) client, please complete these steps first:

  1. Verify all of your devices meet the minimum System Requirements located at the bottom of the page
  2. Verify the latest build/service pack and updates are installed for all of your operating systems:

Managed vs Unmanaged

Verify whether your Avast Business Antivirus activation/license code is for the Managed or Unmanaged product. See Avast Business Antivirus Managed Versus Unmanaged for more information. If you are using the Managed version, please see Adding Devices via the Avast Business Management Consoles.

After Installation

Some components and features may not be available or fully functional until after updating the Antivirus client and restarting the device.

Installing Antivirus on Devices

  1. Visit https://www.avast.com/installation-files and click on the Business tab
  2. Click on your Avast Business Antivirus (Pro/Plus) product for either Microsoft Windows/Servers or Mac OS to download/save/run the online install file
  3. When the Antivirus install file starts, click the Customize link below the Install button
  4. Under the Which components do you want to install? section:
    • For Microsoft Windows workstations, do one of the following:
      • Workgroup Networks: select Recommended protection
      • Domain Networks: select Custom protection and disable (uncheck) both the Real Site and Wi-Fi Inspector boxes
    • For regular Microsoft Windows Servers, select Minimal protection
    • For Terminal Servers, select Custom protection and disable (uncheck) everything except File Shield
  5. Click the Install button

Please also see Activating Licenses for Avast Business Antivirus to activate your Avast Business Antivirus (Pro/Plus) Unmanaged license code.

Avast Business Antivirus Unmanaged
Avast Business Antivirus Unmanaged

You may download/save the Antivirus installation files, without a management console, on a USB flash drive to run on each device to install.

Linux

To install Avast on Linux operating system distributions, please see these knowledge base articles:

Server Operating Systems

If you have an email server (such as Microsoft Exchange) and/or are behind a proxy server, please see Configuring Email and Proxy Servers in Avast Business Antivirus. Follow the instructions above and disable (uncheck) both the Real Site and Wi-Fi Inspector components when installing on server operating systems.

Terminal Servers

We do not support terminal servers. If you are installing Avast Business products on a terminal server, we recommend to enable/install only the File Shield component and no other Avast components/features/services.

Update Client And Restart Device

After the installation of the Antivirus client has completed successfully:

Local Client

  1. Please immediately update your local Antivirus client by following the instructions in Updating Virus definitions and Avast Antivirus Program version
  2. Restart the device when prompted after updating the Antivirus client

Troubleshooting

If you are experiencing issues installing, updating, or other connectivity problems with your Antivirus client, please see the Avast Antivirus Clean Uninstall Guide.

Avast Services

Below is a list of required Avast services (background processes), depending upon Avast components/features enabled:

Antivirus processes/services

  • AvastSvc.exe (base/core)
  • AvastUI.exe (GUI/system tray)
  • aswidsagent.exe or aswidsagenta.exe (Behavior Shield)
  • afwServ.exe (Firewall)
  • overseer.exe
  • wsc_proxy.exe (Windows Security Center)

SecureLine VPN

  • Vpn.exe
  • VpnSvc.exe
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