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Activating Avast Internet Security

Although it is currently possible to install and activate Avast Internet Security, we are gradually discontinuing support for this product and upgrading users to Avast Premium Security.

When you purchase Avast Internet Security from within an Avast application, your subscription is automatically activated on the Windows PC you use to make the purchase. A subscription purchased through another Avast sales channel, such as the Avast Store, are also automatically activated when you receive and install the preactivated setup file. If your subscription does not activate automatically, you will need to manually activate using either a valid activation code (sometimes called a subscription code or voucher code), or license file, or via your Avast Account that is registered with the same email address you used to make the purchase. If you want to use your Avast Internet Security subscription on another PC, you also need to manually activate it. The number of PCs you can activate depends on the subscription you purchased.

Before following the activation steps in this article, ensure the latest version of Avast Internet Security is installed on your PC. For instructions, refer to the following article:

Activate subscription

Your activation code can be located in a number of different places depending on the purchase method. For example, in an order confirmation email, on an activation card, or within another Avast product. For instructions on how to locate your activation code, refer to the following article:

To activate your subscription:

  1. Right-click the Avast icon in your system tray and select Subscription information.
  2. On the My Subscriptions screen, click Enter a valid activation code.
  3. Type or paste your activation code into the text box and click Enter.
  4. Check your subscription details for the entered activation code. If you have an activation code for interchangeable products, you can click on a listed item and select an alternative subscription from the drop-down menu. Then click Continue to return to the My Subscriptions screen.

You may have received a license file in an old order confirmation email. To activate your subscription with a license file:

  1. Open your order confirmation email.
  2. Right-click the attached License.avastlic file to save it. The method of saving the file varies depending on your email client. You may need to right-click on the attached file and select the option Save as..., Save link as..., or Save all attachments.
  3. Select a familiar location to save the file (for example, your desktop) and click Save.
  4. Right-click the Avast icon in your system tray and select Subscription information.
  5. On the My Subscriptions screen, click Enter a valid activation code.
  6. Click Use a license file.
  7. Locate the previously saved License.avastlic file and click Open.
  8. Check your subscription details for the inserted file. If you have a license file for interchangeable products, you can click on a listed item and select an alternative subscription from the drop-down menu. Then click Continue to return to the My Subscriptions screen.

All your Avast subscriptions automatically appear in the Avast Account registered with the same email address you used to make the purchase.

If you do not have an Avast Account yet, refer to the following article for instructions:

To activate your subscription via Avast Account:

  1. Right-click the Avast icon in your system tray and select Subscription information.
  2. On the My Subscriptions screen, click Log in to your Avast Account.
  3. Enter your Avast Account credentials and click Log In. Alternatively, select Log in with Facebook or Log in with Google to log into your Avast Account using your existing Facebook or Google credentials.
  4. Check your subscription details for the connected Avast Account. If you have any subscriptions for interchangeable products, you can click on a listed item and select an alternative subscription from the drop-down menu. Then click Continue to return to the My Subscriptions screen.

Your Avast Internet Security subscription is now activated. The expiration date of your subscription appears under Subscriptions on this PC.

You can activate your subscription on the number of PCs you specify when making the purchase.

Further recommendations

  • Any unused product subscriptions are listed under Other available subscriptions on the My Subscriptions screen. To change your subscription on the current PC, click Switch to this subscription next to the listed item, and then click Switch to confirm.
  • To transfer your subscription to a different PC, uninstall Avast Internet Security from your PC before you install and activate your subscription on the alternative PC.

Troubleshoot activation issues

To troubleshoot activation issues, reinstall Avast Internet Security on your PC and activate it again. For reinstallation instructions, refer to the following articles:

In some cases, subscription synchronization may take up to 24 hours after purchase. If your subscription is still not active after this time, refer to the following article:

  • Avast Internet Security 19.x
  • Microsoft Windows 10 Home / Pro / Enterprise / Education - 32 / 64-bit
  • Microsoft Windows 8.1 / Pro / Enterprise - 32 / 64-bit
  • Microsoft Windows 8 / Pro / Enterprise - 32 / 64-bit
  • Microsoft Windows 7 Home Basic / Home Premium / Professional / Enterprise / Ultimate - Service Pack 1, 32 / 64-bit

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