The following Avast Ultimate subscription bundles are available:
- Avast Ultimate (Multi-Device): Can be used on 10 devices simultaneously and includes apps for Windows, Mac, Android, and iOS.
- Avast Windows Ultimate: Can be used on 1 Windows device and includes apps for Windows only.
- Avast Mac Ultimate: Can be used on 1 Mac and includes apps for Mac only.
- Avast Mobile Ultimate: Can be used on 5 devices simultaneously and includes apps for Android only.
For more information about Avast Ultimate subscriptions, refer to the following article: Avast Ultimate subscription bundles - FAQs.
Refer to the information below to activate your Avast Ultimate subscription on each device:
Activate Avast Ultimate
These instructions apply if you purchased Avast Ultimate (Multi-Device) or Avast Windows Ultimate.
To install and activate your Avast Ultimate subscription on Windows:
- Click the button below to download the latest version of Avast Premium Security from the official Avast website. Download Avast Premium Security
- Right-click the downloaded setup file
avast_premium_security_setup_online.exeand select Run as administrator from the context menu.
- To change the default setup language, choose your preferred language in the top-right corner of the screen. Then, click Install.
- After Avast Premium Security is installed, go to
☰Menu ▸ Enter activation code from the main application screen. - Type or paste your activation code (including hyphens), then click Enter.
- Click Activate & install to install and activate all the apps included in your Avast Ultimate subscription. You can untick any apps that you do not want to install now.
Your Avast Ultimate subscription is now active on your Windows device.
These instructions apply if you purchased Avast Ultimate (Multi-Device) or Avast Mac Ultimate.
To install and activate your Avast Ultimate subscription on Mac:
- Click the button below to download the latest version of Avast Security Premium from the official Avast website. Download Avast Security Premium
- Double-click the downloaded setup file
avast_security_online.dmg. - Double-click the Install Avast Security icon.
- Click Allow.
- Review the Avast Privacy Policy, then click Continue.
- Click Continue to confirm that you have read the End User License Agreement, then click Agree to confirm that you accept the terms.
- Click Install to proceed with default installation, or click Change install location... if you want to make changes to the default setup. Follow the on-screen instructions to complete the installation.
- After Avast Premium Security is installed, go to
☰Menu ▸ My subscriptions from the main application screen. - Click Activate paid features.
- Enter your activation code (including hyphens), then click Activate.
- Click See my apps in the dialog that appears, ...or go to
☰Menu ▸ My subscriptions. - Click Install next to Avast Cleanup Premium, Avast SecureLine VPN, and Avast AntiTrack to install and activate all of the apps included in your Avast Ultimate subscription.
...or go to 
Your Avast Ultimate subscription is now active on your Mac.
These instructions apply if you purchased Avast Ultimate (Multi-Device) or Avast Mobile Ultimate.
Install and activate each app individually by following the detailed instructions in the articles below:
- Avast Mobile Security: Install | Activate
- Avast SecureLine VPN: Install | Activate
- Avast Cleanup Premium: Install | Activate
Your Avast Ultimate subscription is now active on your Android device.
These instructions apply if you purchased Avast Ultimate (Multi-Device).
In addition to Avast Ultimate (Multi-Device) subscription, iOS devices also support a subscription called Mobile Security Ultimate. This a specific subscription tier for the Mobile Security app and is not part of a bundle. For more details about this subscription, refer to the following article: Avast Mobile Security - FAQs.
In addition to Avast Ultimate (Multi-Device) subscription, iOS devices also support a subscription called Mobile Security Ultimate. This a specific subscription tier for the Mobile Security app and is not part of a bundle. For more details about this subscription, refer to the following article: Avast Mobile Security - FAQs.
Install and activate each app individually by following the detailed instructions in the articles below:
Your Avast Ultimate subscription is now active on your iOS device.
Troubleshoot activation issues
To resolve some of the most common activation issues, review the information below:
- Ensure that you are using the correct activation code from your Avast Account. For instructions, refer to the following article: Retrieving an activation code from your Avast Account.
- If you see an error message during activation, refer to the following article for advice: Troubleshooting common activation error messages.
- If automatic installation and activation of the other apps via Avast Premium Security is unsuccessful, try to install and activate each app individually. For instructions, refer to the following articles:
- If automatic installation and activation of the other apps via Avast Security is unsuccessful, try to install and activate each app individually. For instructions, refer to the following articles:
- If activation using an activation code is unsuccessful, try activating your subscription by signing in to Avast Premium Security with your Avast Account credentials. For instructions, refer to the following article: Activating an Avast Premium Security subscription.
- If activation using an activation code is unsuccessful, try activating your subscription by signing in to Avast Security with your Avast Account credentials. For instructions, refer to the following article: Activating an Avast Premium Security subscription.
- If you are trying to activate a mobile app, refer to the following article for advice: Troubleshooting activation issues in Avast mobile apps.
If you are still unable to activate your subscription, contact Avast Support.
Further recommendations
To learn more about the apps available in Avast Ultimate, refer to the following articles:
- Avast Premium Security and Avast Antivirus for Windows - FAQs
- Avast Premium Security and Avast Security for Mac - FAQs
- Avast Mobile Security - FAQs
- Avast SecureLine VPN - FAQs
- Avast Cleanup - FAQs
- Avast AntiTrack - FAQs
- Avast Ultimate
- Windows, macOS, Android, and iOS
Updated on: 04/07/2025
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