Avast Antivirus: Installing Avast Premier

How to Install Avast Premier

Before you begin make sure you are logged into Windows with administrator permissions, no other programs are running in Windows, and any other antivirus software is fully uninstalled.

  • Windows 10 except Mobile and IoT Core Edition (32 or 64-bit); Windows 8.1 except RT and Starter Edition (32 or 64-bit); Windows 8 except RT and Starter Edition (32 or 64-bit); Windows 7 SP1 or higher, any Edition (32 or 64-bit); Windows Vista SP2 or higher, except Starter Edition (32 or 64-bit); Windows XP SP3, any Edition
  • Windows fully compatible PC with Intel Pentium 4 / AMD Athlon 64 processor or above (must support SSE2 instructions)
  • 256 MB RAM or above
  • 2 GB free space on the hard disk
  • Internet connection is needed to download, activate and maintain updates of the program and antivirus database.
  • Optimally standard screen resolution not less than 800 x 600 pixels is recommended.
  • Avast Premier is not supported on Microsoft Windows Server operating systems, or any operating systems which are not specified.
  1. Download Avast Premier from the Avast website.
  2. Right-click the downloaded setup file avast_premier_antivirus_setup_offline.exe and choose Run as administrator.
  3. The Avast Setup wizard appears.
    • Click Install for setup with default options.
    • Select Custom installation to select the location of program files, and choose program components and languages on the following screen.
  4. The installation progress bar appears while the program installs. When setup is complete, you can activate your subscription by clicking I have already bought a subscription or continue in 30-day trial mode.
  5. When a network is detected, select a firewall mode.
    • Select Private if your computer is connected to a home or private network.
    • Select Public if connected to a public or shared network.

Avast Premier is now installed on your computer and ready to use. The Avast user interface is accessible via the Avast icon in your system tray or the Avast icon on your Windows Desktop.

You must purchase and activate a subscription within 30 days of installation to continue your protection. For details please read the following articles:

Please follow the detailed steps below to install Avast Premier on your computer.

  1. Download the offline installer for Avast Premier by clicking the button below: ...and save it to your computer (for example on your Windows Desktop).
  2. Right-click the downloaded setup file avast_premier_antivirus_setup_offline.exe, choose Run as administrator from the context menu, ...and if prompted by the User Account Control dialog for permissions, click Yes (or Continue).
  3. The Avast Setup wizard appears. You can select your preferred language in the top right corner. Before continuing please read the End User License Agreement.
  4. Click Install to proceed with the default installation of Avast Premier.
  5. Select Custom installation to select a destination for program files and program components to install.
  6. Enter the file path to the location where you want to install Avast Premier, or click Browse... and locate the installation folder on your computer. Use the checkboxes to select or deselect which components to install and click Install.
  7. The Avast Setup wizard installs the program. It may take a few minutes to complete. When setup is complete, you can activate your subscription or continue in 30-day trial mode.
  8. To activate your subscription, click I have already bought this product. (If you are installing a 30-day trial, skip this step.) There are two possible activation methods:
    1. If you have received an activation code for your product, enter (or copy/paste) it in the form.
      To successfully use your activation code you must be connected to the Internet.
    2. You may also use a license file instead of an activation code.
      1. Locate the file License.avastlic attached to the order confirmation e-mail sent after purchase. Save it to your computer, for example on your Windows Desktop.
      2. In the Avast Setup wizard, under the option Insert license file click Browse... ...locate and select the file License.avastlic where it is saved and click Open. Confirm that you want to activate the license with the information shown.
  9. After you have activated your subscription (or selected to continue in trial mode) click Continue. A screen appears notifying you of the privacy policy. Click Continue again.
  10. When a network is detected by Avast Premier, select a firewall mode:
    • Private - Suitable when connected to a home or work network, including direct connections to the Internet. This setting enables authorized incoming and outgoing communication. Optionally, check the box Friendly network to allow all communication with the present network as defined in the firewall settings.
    • Public - Suitable when connected to a public network. This is the most secure setting and does not allow incoming communication, so your computer is not accessible to others on the network. Recommended when connecting to the Internet in cafes, airports or other public places.

Avast Premier is now installed on your computer. The Avast user interface is accessible via the Avast icon in your system tray or the Avast icon on your Windows Desktop.

You must purchase and activate a subscription within 30 days of installation to continue your protection. For details please read the following articles:
  • Avast Premier 12.x
  • Microsoft Windows 10 Home / Pro / Enterprise / Education
  • Microsoft Windows 8.1 / Pro / Enterprise
  • Microsoft Windows 8 / Pro / Enterprise
  • Microsoft Windows 7 Home Basic / Home Premium / Professional / Enterprise / Ultimate
  • Microsoft Windows Vista Home Basic / Home Premium / Business / Enterprise / Ultimate
  • Microsoft Windows XP Home / Professional / Media Center Edition

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