Activating Avast One

Avast One is currently available only in Australia. To activate Avast Premium Security or Avast Mobile Security Premium instead, refer to the relevant article below for instructions:

Avast One subscriptions purchased from within an Avast application are activated automatically on the Windows PC you used to make the purchase.

Avast One subscriptions purchased via Google Play Store are activated automatically on the Android you used to make the purchase.

If your subscription does not activate automatically, you need to manually activate it via the Avast Account that is registered with the same email address you used to purchase Avast One. If you want to use your Avast One subscription on another device, you also need to manually activate it. The number of devices you can activate depends on the subscription you purchased.

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

Activate Avast One

To activate Avast One via your Avast Account:

  1. Double-click the Avast One icon on your Windows desktop to open the application.
  2. Go to MeMy Subscriptions.
  3. Click Sign in to Avast Account.
  4. Enter your Avast Account credentials and click Sign In. Alternatively, select the Create Account tab to create a new Avast Account.
  5. If you have multiple subscriptions, select the subscription you want to use on this PC.

Your Avast One 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 specified when making the purchase.

To activate Avast One via your Avast Account:

  1. On the Home screen of your device, tap the Avast One icon to open the app.
  2. Tap the Account icon.
  3. Tap Sign In.
  4. Enter your Avast Account credentials, then select Continue. Alternatively, select the Create Account button to create a new Avast Account.
  5. If you have multiple subscriptions, select the subscription you want to use on this Android device.

Your Avast One subscription is now activated. You can activate your subscription on the number of PCs you specify when making the purchase.

Troubleshoot activation issues

To troubleshoot activation issues, reinstall Avast One on your device 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:

Further recommendations

To learn more about the features available in Avast One, refer to the following article:

For instructions on how to use Avast One, refer to the following article:

  • Avast One 20.x for Windows
  • Avast One 1.x for Android
  • 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 2, 32 / 64-bit

  • Google Android 5.0 (Lollipop, API 21) or higher

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