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IS YOUR COMPUTER SLOW? RUN LIKE NEW

If they are not maintained, computers lose performance over time. Norton Utilities Ultimate can help significantly improve the performance of your Windows computers.

Applicable for: Mac,Windows

Download your Norton product purchased from a retail store

To install the Norton device security product that you purchased from a retail store or a third-party affiliated website, create a Norton account or add the purchased product to your existing account.

Add the purchased product to your account and install your Norton product

Your product key is a combination of alphabetic and numeric characters. It does not contain any special characters. 
If you purchased a boxed product online or at a local retail store, your product key is inside the box either on a sticker or printed on a card in the box or an order confirmation email. 

  1. Please visit norton.com/setup.

  2. Enter your product key and click Next.

  3. Enter a valid email address and click Next.

  4. If you are not signed in already, you will be prompted to sign in. You can get a code sent to the email address provided by clicking on Send me a code. You can also type in your password and click Sign In.
    If you do not have an account, click Create an account, and then complete the sign-up process.

  5. If prompted enter your payment details to subscribe to the automatic renewal plan, then click Activate Subscription or Activate Automatic Renewal.

  6. Read the License and Services Agreement and click Agree and Download.

  7. Follow the instructions displayed to Run or Save the Downloader file.

  8. Click Install Norton 360.

    Once the Norton installer is executed, your product is installed and activated automatically. Your device displays its current protection status and additional software can be installed from within your account.

    If you see the message "Invalid Product Key", read Message: "Invalid Product Key".
     

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DocID: v101779430
Last modified: 03/25/2026

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