How to set-up Avast One - Premium Cleanup

Avast Premium Cleanup is an optimization tool that includes a range of scans that are designed to detect unnecessary items and performance issues, helping to free up disk space and improve the speed of your system. It is a component within Avast One, which serves as a central hub for Avast applications.

This article explains how to download, install, and activate Avast Premium Cleanup in Avast One.

Install Avast One

To install Avast One, follow the steps below:

Use the download option in your confirmation email or on your Avast Account to download the Avast One setup file, then save it to a familiar location on your Windows device (by default, downloaded files are saved to the Downloads folder). Alternatively, click the button below to download the Avast One setup file.
Download Avast One Premium Cleanup for Windows
Right-click the downloaded setup file avast_one_cleanup.exe and select Run as administrator from the context menu.
If you are unable to authorize the installation of Avast One, refer to the following article for advice: Managing administrative accounts on your Windows device.
If prompted for permission by the User Account Control dialog, click Yes.
To change the default setup language, click the current language in the top-right corner of the screen and select your preferred language. Then click Install.
At this step, you may be prompted to move installed standalone Avast apps into Avast One.
Wait while setup installs Avast One on your Windows device, then click Go to dashboard.

Avast One is installed. To verify whether your Avast Premium Cleanup subscription is active, or to activate it manually if needed, refer to the section below.

Use the download option in your confirmation email or on your Avast Account to download the Avast One setup file, then save it to a familiar location on your Mac (by default, downloaded files are saved to the Downloads folder). Alternatively, click the button below to download the Avast One setup file.
Download Avast One Premium Cleanup for Mac
Double-click the downloaded setup file avast_one_cleanup.dmg.
Double-click the Avast One icon.
In the new window, click Allow.
Click Continue to confirm that you accept the Avast Privacy Policy.
Click Continue to confirm that you have read the End User License Agreement, then click Agree to confirm that you accept the terms.
Select the users who should have access to Avast One, then click Continue.
Click Install to proceed with default installation. Alternatively, click Change Install Location... if you want to make changes to the default setup.
Enter the password that you use when you start your Mac, then click Install Software. If prompted, enter this password again, and click Update Settings.
When the System Extension Blocked notification appears, click OK.
Click Close ▸ Move to Trash.
Click Get started.
At this step, you may be prompted to move installed standalone Avast apps into Avast One.
Click Continue.

Avast One is installed. To verify whether your Avast Premium Cleanup subscription is active, or to activate it manually if needed, refer to the section below.

Activating Avast Premium Cleanup

Automatic Activation

If you downloaded the installer file from your Avast Account or a confirmation email, Avast One Premium Cleanup is usually activated automatically after installation.

To confirm that Premium Cleanup is active, follow the steps below:

Open Avast One, then go to ••• Menu ▸ My Account.
Check whether Premium Cleanup is listed under Active subscriptions.

If Avast Premium Cleanup is listed as active, no further action is required. If Free Cleanup is still shown, follow the steps to either sign in to an Avast Account associated with a valid subscription or enter a valid activation code. This article includes instructions for both methods.

Activate via Avast Account

An Avast Account was created using the email address that you provided during the subscription purchase. To sign into your Avast Account for the first time, refer to the following article: Activating your Avast Account.

To activate Avast Premium Cleanup in Avast One using an Avast Account:

Open Avast One, then go to ••• Menu ▸ Sign in.
Enter the email address associated with your Avast Account, then click Continue.
Enter the password associated with your Avast Account, then click Sign In.

Avast Premium Cleanup is now active. To view your subscription details, go to ••• Menu ▸ My Account. The renewal date or the expiration date of your subscription appear under Active subscriptions. You can activate your app on the number of devices you specified when making the purchase.

If activation is unsuccessful, refer to the Troubleshoot activation issues section below.

Activate via activation code

Your activation code is most commonly found in the order confirmation email you receive after purchasing an Avast subscription. For detailed instructions on how to locate your activation code, refer to the following article: Locating your Avast activation code.

To activate Avast Premium Cleanup in Avast One using an activation code:

Open Avast One, then go to ••• Menu ▸ Enter activation code.
Type or paste your activation code (including hyphens) into the text box, then click Next twice.

If activation is unsuccessful, refer to the Troubleshoot activation issues section below.