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The official portal to activate your McAfee antivirus subscription is mcafee.com/activate. Whether you purchased a retail card from a store or bought online, every McAfee product — from Essential to McAfee+ Ultimate — is unlocked through this single activation page. Learning how to activate McAfee at mcafee.com/activate takes only a few minutes: all you need is your McAfee activation code (a 25-digit product key) and a McAfee account email address to get fully protected.
1

Go to mcafee.com/activate

Open your preferred browser and navigate to mcafee.com/activate. This is the only official McAfee activation portal — avoid third-party sites that mimic this page.
2

Enter your 25-digit activation code

Type or paste your 25-digit activation code into the field provided. You can find this code on the back of your retail card or in your purchase confirmation email. The code is formatted in five groups of five characters (e.g., XXXXX-XXXXX-XXXXX-XXXXX-XXXXX).
3

Sign in or create your McAfee account

Enter the email address you want to associate with your McAfee subscription. If you already have an account, sign in with your existing credentials. If you are new to McAfee, create a free account — this email will be your login across all protected devices.
4

Sign up for auto-renewal (optional)

McAfee will offer you the option to enable auto-renewal so your protection never lapses. This step is optional — you can skip it and manage your renewal preferences later from your McAfee account dashboard.
5

Download and install McAfee

Click Next and follow the on-screen instructions to download the McAfee installer for your platform. Run the installer, accept the license agreement, and complete the setup wizard. Your subscription becomes active as soon as installation finishes.
Already redeemed your code? Log in to home.mcafee.com/Secure/MyAccount to download McAfee directly from My Account without re-entering your activation code.
Where to find your activation code:
  • Retail card purchase: The 25-digit code is printed on the back of the card, hidden beneath a silver scratch-off panel. Scratch gently to reveal it.
  • Online purchase: Check your purchase confirmation email from McAfee or the retailer (Amazon, Best Buy, etc.). The code is labeled “Product Key” or “Activation Code” in the order details.

Activate on Windows

Full walkthrough for activating McAfee antivirus on Windows 10 and Windows 11 using your product key at mcafee.com/activate.

Activate on Mac

Step-by-step instructions for activating McAfee on macOS 13 Ventura and later using your McAfee activation code.

Activate on Mobile

Extend your McAfee subscription activation to Android and iPhone — no additional product key required.

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Frequently Asked Questions

Yes. Depending on your plan, McAfee covers multiple devices under a single subscription. The Essential plan covers up to 5 devices, while McAfee+ Premium, McAfee+ Advanced, and McAfee+ Ultimate all offer unlimited device coverage. Simply sign in with the same McAfee account on each device after activating at mcafee.com/activate.
A 25-digit activation code (also called a product key) is a unique alphanumeric string that unlocks your McAfee subscription. It is formatted as five groups of five characters separated by hyphens. This code is tied to the specific product and subscription term you purchased and can only be redeemed once at mcafee.com/activate.
If your activation code is not accepted at mcafee.com/activate, try these steps:
  1. Double-check that you have entered all 25 characters correctly — the letters O and 0 (zero), and I and 1 (one), are common sources of confusion.
  2. Ensure you are on the official mcafee.com/activate page and not a lookalike site.
  3. If you purchased a retail card, confirm the scratch-off panel has been fully removed.
  4. Contact McAfee Support at support.mcafee.com with your proof of purchase for a replacement code.