Where Do I Find My Avast License Key?

What's Happening

You won’t find that key stored anywhere in the app itself. Instead, check your inbox (and don’t forget the spam folder) or log in to your Avast Account and look under “Order History.”

As of 2026, Avast still hands out single multi-device keys that cover Windows, macOS, Android, and iOS—up to the limit of your subscription tier.

If the email vanished, don’t panic. Avast lets you pull the key back up through your account or their web activation portal, so you won’t be stuck forever.

Step-by-Step Solution

1. Open your email inbox and search for messages from sales@avast.com or orders@avast.com with the subject “Your Avast Order Confirmation.”
2. Look under “Your products” in the email body. The license key is a 20–25 character code, usually formatted like XXXXX-XXXXX-XXXXX-XXXXX-XXXXX.
3. Copy the key exactly as shown—hyphens and capitalization matter. Any typo will make activation fail.
4. Now open the Avast app, tap the menu (☰), choose “Enter activation code,” paste the key, and finish the process.

If This Didn’t Work

• Start by checking every email folder, including Spam and Trash, for the order confirmation from Avast.
• Head to account.avast.com, sign in, go to “Order History,” pick the right purchase, and download the PDF invoice—your activation code is right there.
• Check how many devices you’ve already activated. Avast Premium Security (Multi-Device) allows up to 10 devices. If you’re at the limit, go to “My Subscriptions” → “Manage devices,” remove an old device, and try activating again.
• Visit Avast’s web activation page at activation.avast.com, sign in with your Avast Account, and the key will show up automatically.

Prevention Tips

Set up an email folder called “Software Keys” and move every purchase confirmation there. Once you’ve activated, export your subscription details via ☰ → My Subscriptions → Export and save the PDF to a cloud drive (Google Drive or Dropbox) or a password manager (Bitwarden or 1Password). Honestly, this is the best way to keep your keys safe and handy for years to come.