Avast 2015: Inserting the license file into Avast Internet Security

How to insert the license file into Avast Internet Security 2015

After purchasing Avast Internet Security 2015 an order confirmation e-mail with your license file attached is sent to the e-mail address entered in the purchase form. You can request a copy of your purchased license with our webform using the e-mail address provided during the Avast Internet Security 2015 purchase.

If you received an activation code instead of a license file, follow the activation procedure described in the article:


The following instructions for inserting the license assume that the Avast Antivirus is already installed on your computer.

  1. Open the e-mail containing your license file and open the attached file License.avastlic.
  2. When the file opens, a dialog box appears. Click Yes to insert the license file with the subscription details displayed.

    Click OK when the confirmation appears.
  3. To double-check that the subscription is activated, right-click on the Avast orange ball icon in the system tray and select Subscription information from the menu.

An alternative, manual procedure is available when the preferred, automatic method cannot be completed for some reason.

  1. Open the e-mail containing your license file and save the attached file License.avastlic on your computer.
  2. Right-click on the Avast orange ball icon in the system tray and select Subscription information from the menu.
  3. The Subscription screen appears. Click the Insert license file button.
  4. A dialog window appears. Locate the file License.avastlic where you saved it in step 1, and click Open.
  5. When the file opens, click Yes to insert the license file with the subscription details displayed.

    Click OK when the confirmation appears.
  1. On the Subscription screen you can check that your Subscription status is ACTIVE and the validity date is correct.

Avast Internet Security 2015 is then activated for the remaining duration of the license period.

Please follow the detailed steps below to insert your license for Avast Internet Security 2015 on your computer.

An alternative, manual procedure is available when the preferred, automatic method cannot be completed for some reason - e.g. if the system doesn't recognize the *.avastlic file extension, or if an error message appears.

  1. Open the e-mail containing your license file and open the attached file License.avastlic. The method varies depending on your mail client software, e.g. double-click the attached file, or right-click on the file and select Open, or select the option Open attachments, etc.
    If you are unable to open the file directly from your email, you can instead save the file License.avastlic to your computer and then open it.
  2. When the file opens, a dialog box appears. Click Yes to insert the license file with the subscription details displayed. A confirmation appears. Just click OK.
  3. To double-check that the subscription is activated, right-click on the Avast orange ball icon in the system tray and select Subscription information from the menu. If you do not find the Avast icon in your system tray, you can instead open Avast from the icon on your desktop, and from the main menu select Settings and then Subscription.
  4. Open the e-mail containing your license file and save the attached file License.avastlic on your computer. The method varies depending on your mail client software, e.g. right-click on the file and select Save as, or select the option Download attachments, etc.
    We recommend to save the file on your Windows Desktop so you can easily find it later.
  5. Right-click on the Avast orange ball icon in the system tray and select Subscription information from the menu. If you do not find the Avast icon in your system tray, you can instead open Avast from the icon on your desktop, and from the main menu select Settings and then Subscription.
  6. The Subscription screen appears. Click the Insert license file button.
  7. A dialog window appears. Locate the file License.avastlic where you saved it in step 1, and click Open.
  8. When the file opens, a dialog box appears. Click Yes to insert the license file with the subscription details displayed. A confirmation appears. Just click OK.
  9. On the Subscription screen you can check that your Subscription status is ACTIVE and the validity date is correct.

Avast Internet Security 2015 is then activated for the remaining duration of the license period.

  • Avast Internet Security 2015
  • 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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