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After your product gets validated, you can use the product key and install your Norton device security product. For more information, see I cannot activate my Norton subscription purchased from a retail store. Type your account email address and password, and then tap Sign In. If you have not activated your Norton 360 app subscription yet, see Activate the Norton 360 app on your mobile device. Norton 360 app installation is now complete.

Sign in to get customized support for the products you own. On the Norton 360 app screen in the Google Play Store app,Install.
Install Norton device security on iPhone or iPad
For more information, see Revoked Product Key. If you have an existing subscription that has Identity Theft features linked already, you will encounter this error. Norton doesn't allow multiple subscriptions with Identity Theft features as it needs to be linked to one social security number . Gifting a second subscription is a great way to get your family or friends' online lives secured. You can either gift the new subscription to a family member and/or call support for further advice.
Enter the product key that you received from the store. To renew your subscription, in the Norton product main window, click Help, and then under Account information, click Enter Product Key. If you are activating the Norton product on your mobile device, seeActivate or renew your Norton 360 subscription for your mobile device. We make it easy for you to set up your protection, check your security status, and extend your protection to other PCs, Macs, smartphones, and tablets.
I see a message that says 'You are requesting a non-downloading product'
We help you enjoy everything your devices have to offer without having to worry about security threats. Our community of customers and product experts are ready to answer your questions. When the download finishes, tap Open to launch the Norton 360 app. If you are on an iPad, tap Install on iPad and follow the on-screen instructions. To install Norton product version 8.x or later, you need to have Mac OS X 10.10.x or later. If you are installing on Windows 11/10 in S mode, click Get it from Microsoft and follow the prompts to install from the Microsoft store.

You may have purchased this key using a different account, or renewed the Norton subscription that is linked to an older account. So, enter the account credentials that you used during your Norton purchase. If you purchased your Norton subscription from a third party website or vendor, your product key has been activated by someone else. Contact the vendor with your purchase receipt and request for a new product key. To install your Norton device security product on the current device, type your product key and then click the arrow button. For detailed instructions, read Download and install your Norton device security product on Mac.
Download and Install Norton device security on Windows
Your Norton product has already been activated with the key that you entered. If your current device is not protected, you can download and install your Norton device security product. For instructions, see I want to download and install my Norton product. If you do not have a valid product key, then you have no active key linked to your account. You have to purchase a new key to download and install your Norton device security product. The product key that you entered is not linked with the account you are currently signed in to, but with another account.

LifeLock identity theft protection is not available in all countries. Follow the on-screen instructions to complete the installation. The product key that you entered was reported as stolen. Norton has taken steps to prevent further use of this key.
If you purchased your Norton subscription from a retail store, your product key has not been validated by the retail store where you purchased it. Return the subscription to the store with the receipt, and ask the store to validate your purchase. Your Norton product key is theft protected and the retail store needs to validate your purchase with Norton.
The product key that you entered is incorrect, or is in invalid format. The 25-character product key that you entered does not match the database that we maintain. To locate the product key, see Find your Norton product key. The product key is a 25-character alphanumeric string that is shown in five groups of five characters each, separated by hyphens. The location of the product key varies depending on how you acquired the product.
At any time and from anywhere, sign in to your account to manage your subscriptions, update your profile, change your billing preferences, or renew your protection. Before you install, we recommend that you click Norton License Agreement and read your product license agreement. Go to my.Norton.com and sign in with your Norton account email address and password. If you purchased a boxed product, the product key is printed either on the box or on the back of the card. The Norton and LifeLock Brands are part of NortonLifeLock Inc.

To know more about installing the product from the Microsoft Store, read Install Norton device security app from Microsoft Store. The product key that you entered is linked to a Norton product that cannot be downloaded from your account. If you purchased from the Norton™ Official Site, you can find your product key in the order confirmation email or on your Norton account.