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.
Avast One subscriptions purchased from within an Avast application are activated automatically on the Windows PC you used to make the purchase.
Activate Avast One
To activate Avast One via your Avast Account:
- Double-click the Avast One icon on your Windows desktop to open the application.
- Select Me in the top-right corner of the main Avast One screen ▸ Use my email. Alternatively, click Create a new account to create an Avast Account.
- Enter your Avast Account credentials and click Sign in.
- 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 in your Avast Account. You can activate your subscription on the number of devices you specified 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:
If the issue persists, contact Avast Support.
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 subscriptions purchased via Google Play Store are activated automatically on the Android you used to make the purchase.
Activate Avast One
To activate Avast One via your Avast Account:
- On the Home screen of your device, tap the Avast One icon to open the app.
- Tap the
Account icon in the top-left corner of the main Avast One screen.
- Tap Sign In.
- Enter your Avast Account credentials, then select Continue. Alternatively, select Create Account to create a new Avast Account.
- 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 devices you specified 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:
If the issue persists, contact Avast Support.
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 subscriptions purchased via the App Store are activated automatically on the iOS device you used to make the purchase.
Activate Avast One
To activate Avast One via your Avast Account:
- On the Home screen of your device, tap the Avast One icon to open the app.
- Tap the
Account icon in the top-left corner of the main Avast One screen.
- Tap Connect Account.
- Select Email, enter your Avast Account credentials, then tap Continue. Alternatively, select Create New Account to create a new Avast Account.
- If you have multiple subscriptions, select the subscription you want to use on this iOS device.
Your Avast One subscription is now activated. You can activate your subscription on the number of devices you specified 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:
If the issue persists, contact Avast Support.
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 21.x for Windows
- Avast One 1.x for Android
- Avast One 1.x for iOS
- 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 with Convenient Rollup Update
- Google Android 5.0 (Lollipop, API 21) or later
- Apple iOS 13.0 or later