Install Norton device security

Sign in to your account to install Norton device security on any supported desktop computer, laptop, mobile phone, or tablet.

If you bought Norton device security in a retail store or if you have a product key that is not yet registered to your account, read Download your Norton product purchased from a retail store.

If you have received your Norton product from your service provider, then read Install Norton from your service provider.

In order to successfully install your Norton protection, your device must meet the minimum operating system requirements. Read System requirements to install and set up NortonLifeLock protection for more details about these requirements

Download Norton device security

Sign in to your account.
Type in your email address and password for Norton, and click Sign In.

If you do not remember your Norton account password, then click Forgot username or password? and follow the on-screen instructions to recover your lost password.
In the My Norton portal, click Download.

If you are installing on Windows 10 in S mode, click Get it from Microsoft and follow the prompts to install from the Microsoft store.
In the Get Started page, click Agree & Download.

If you are on a mobile device, choose the subscription that you want to download and tap Next.

To install Norton device security, choose one of the options based on your device:

Install Norton device security on Windows

Install Norton device security on Mac

To install Norton product version 8.x or later, you need to have Mac OS X 10.10.x or later.

Before you install Norton, NortonLifeLock recommends that you click Norton License Agreement and read your product license agreement.

Install Norton device security on macOS 11.x (Big Sur)

Click Install.
In some cases, Norton provides you an alert to join the Norton Community Watch that collects information about potential security risks from your computer and sends the information to Norton for analysis. Do any one of the following:
- Click Join Now to enable the Norton Community Watch on your Norton product.
- Click Maybe Later to join the Norton Community Watch later.
You can click Learn More to know more about Norton Community Watch.
When prompted, type your Mac administrator user account password, and then click Install Helper.
Click Restart.
After you restart your Mac, in the Norton installation window, click Open Preferences.
If you see the System Extension Blocked alert, click Open Security Preferences.
In the Security & Privacy window, click the lock icon at the bottom.
When prompted, type your administrator account password, and then click Unlock.
Do any one of the following:
- Click Allow corresponding to the Norton message, navigate back to the Norton installation window, and then click Continue.
  
  If you do not see the Allow button, then close and reopen the Security & Privacy window to view the Allow button.
- If you have multiple software or vendor installed on your Mac that requires your authorization, then you see Some system software was blocked from loading message instead of Norton message. In that case, click Allow, select the Norton product in the list, and then click OK.
In the Norton installation window, click Continue, and then click Allow to allow Norton to monitor all the network activities and block malicious websites from accessing your Mac.
In the Norton installation window, click Open Preferences to allow Norton to access your disk for better protection.
In the Security & Privacy window, ensure that the Norton System Extension option is enabled. Navigate back to the Norton installation window and click Complete.

Install Norton device security on macOS 10.15.x (Catalina) or later

Click Install.
In some cases, Norton provides you an alert to join the Norton Community Watch that collects information about potential security risks from your computer and sends the information to Norton for analysis. You can click Learn More to know more about Norton Community Watch.
- Click Join Now to enable the Norton Community Watch on your Norton product.
- Click Maybe Later to join the Norton Community Watch later.
When prompted, type your administrator account password, and then click Install Helper.
If you see the System Extension Blocked alert, click OK.
In the Norton installation window, click Open Now.
In the Security & Privacy window, click the lock icon at the bottom of the window, and then type your administrator account password.
Click Unlock.
Do any one of the following:
- Click Allow corresponding to the Symantec message.
- If you have multiple software or vendor installed on your Mac that requires your authorization, then you see Some system software was blocked from loading message instead of Symantec message. In that case, click Allow, select Symantec in the list, and then click OK.
If you do not see the Allow button, then close and reopen the Security & Privacy window to view the Allow button.
Click Restart.
After you restart your Mac, in the Norton installation window, click Open Preferences.
In the Security & Privacy window, click the lock icon at the bottom.
When prompted, type your administrator account password, and then click Unlock.
Click Allow corresponding to the Norton message, navigate back to the Norton installation window, and then click Continue.

If you do not see the Allow button, then close and reopen the Security & Privacy window to view the Allow button.
In the Norton installation window, click Open preferences to allow Norton to access your disk for better protection.
In the Security & Privacy window, ensure that the Norton System Extension option is enabled. Navigate back to the Norton installation window and click Complete.