Your 25-digit activation code (product key) is essential for the activation process. You can find it:
Inside your McAfee retail box (on a card or the packaging)
In your confirmation email if purchased online
In your McAfee account under “Subscriptions” if you previously logged in
Open a browser on your Windows device and visit mcafee.com/activate. This is the official site for activating your McAfee subscription.
If you already have a McAfee account, log in with your credentials.
New users should click on “Register” to create an account using a valid email address.
Enter your 25-digit product key in the space provided.
Click on “Submit” or “Next” to proceed.
You'll be redirected to download the setup file.
Download and run the installer.
Follow the on-screen instructions to complete the installation.
Once installed, open McAfee Total Protection.
Sign in again if prompted and allow the software to activate.
Run your first virus scan to check for any threats.