Avast Premium Security for Windows is a paid product that requires a subscription to use. After installing Avast Premium Security, you may need to manually activate your subscription.

Your chosen activation method:

• Enter activation code
• Sign in to Avast Account

Enter activation code

To activate Avast Premium Security using an activation code:

1. Locate your activation code. The code is included in your order confirmation email. For detailed instructions, refer to the following article:
   • Locating your Avast activation code
2. Open Avast Premium Security, then go to ☰ Menu ▸ Enter activation code.
3. Type or paste your activation code (including hyphens) into the text box, then click Enter.
4. If more than one product is associated with your activation code, ensure the products you want to use are selected, then click Activate & install.
   
   The products you selected are installed and activated automatically.

Your Avast Premium Security subscription is now active. If activation is unsuccessful, refer to the Still need help? section in this article.

The expiration date of your subscription appears via ☰ Menu ▸ My subscriptions or in your Avast Account. You can activate your subscription on the number of devices you specified when making the purchase.

Sign in to Avast Account

Activate via sign-in key

If activation via Avast Account fails, you can activate Avast Premium Security using the sign-in key from your web browser. To use this alternative activation method, follow the steps below:

1. Open Avast Premium Security, then go to ☰ Menu ▸ Sign in. Your default web browser opens.
2. Follow the relevant step below (option A or option B) in your default web browser:
   • Option A: Check that the listed Avast Account is the one that contains your Avast Premium Security subscription, then click Yes, continue. Alternatively, click Sign in as someone else.
   • Option B: Enter the credentials for the Avast Account that contains your Avast Premium Security subscription, then click Continue.
     If you don't yet have an Avast Account, click Create an account to activate Avast Premium Security by creating a new Avast Account with the email address that you provided during purchase.
3. Click Get a sign-in key instead.
4. Click Copy to clipboard.
5. Go to Avast Premium Security, and click enter the sign-in key from your browser.
6. Click in the text box, then press the Ctrl key and the V key on your keyboard simultaneously to paste the sign-in key. Click Continue.
7. If more than one product is associated with your Avast Account, ensure the products you want to use are selected, then click Activate & install.
   
   The products you selected are installed and activated automatically.

Your Avast Premium Security subscription is now active. If activation is unsuccessful, refer to the Still need help? section below.

The expiration date of your subscription appears via ☰ Menu ▸ My Subscriptions or in your Avast Account. You can activate your subscription on the number of devices you specified when making the purchase.

Still need help?

To learn how to resolve some of the most common activation issues, refer to the following article:

• Troubleshooting activation issues in Avast products

Further recommendations

To learn more about Avast Premium Security, refer to the following article:

• Avast Premium Security and Avast Antivirus for Windows - Frequently Asked Questions

For instructions on transferring your subscription to a new device, refer to the following article:

• Transferring an Avast subscription to another device