Avast Antivirus: Activation of Avast Internet Security using an activation code

How to activate Avast Internet Security using an activation code

After purchasing Avast Internet Security an order confirmation e-mail with your activation code is sent to the e-mail address entered in the purchase form. The following instructions for activation the code assume that the software is already installed on your computer.

If you already installed Avast Internet Security but your subscription is not activated, you can do so manually using an activation code received in your order confirmation email after purchase.

  1. Open the e-mail containing your activation code and copy it.
  2. Right-click on the Avast icon in the system tray and select Subscription information from the menu.
  3. In the Your Subscription screen, click Insert activation code.
  4. Enter the activation code (or copy/paste it) from the confirmation email. Click Next. A confirmation will appear. Click OK.
  5. You can double-check if your Subscription status is ACTIVE and the validity date is correct on the Your Subscription screen.

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

  • The activation code is valid only for the number of seats on your license.
  • If you have a three PC license, the activation code can be used three times.
  • If you need to reinstall Avast, the activation code is valid on the same PC.
  • If you already used the activation code for all the seats on your license, but need to transfer a license to a new PC, you need to use a license file to activate the product installation.
  • Avast Internet Security 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 SP3 Home / Professional / Media Center Edition

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