1. Download the Norton Remove and Reinstall tool.

   Save the file to the Windows desktop. On some browsers, the file is automatically saved to its default location.

2. To open the Downloads window in your browser, press the Ctrl + J key.
3. Double-click the NRnR icon.
4. Read the license agreement, and click Agree.
5. Click Advanced Options.
6. Click Remove Only.
7. Click Remove.
8. Click Restart Now.

   After the computer restarts, follow the on-screen instructions to reinstall your Norton product.

   If you need help with installation, then read Install Norton device security.

1. Download the RemoveNortonMacFiles.zip file.
2. Click the Finder icon in the Dock.
3. In the Finder window, click Downloads in the left pane under Favorites.
4. Do one of the following:
   • If you downloaded the file using Safari browser, open the RemoveNortonMacFiles folder.
   • If you downloaded the file using the Mozilla Firefox or Google Chrome browsers, double-click the RemoveNortonMacFiles.zip file to expand it, and then open the RemoveNortonMacFiles folder.
5. In the RemoveNortonMacFiles folder, control-click the RemoveNortonMacFiles.command file, and then click Open with > Terminal (default).

   To run this tool, you must be logged on with an Administrator account and a non-blank password.

6. Do one of the following:
   • If you have not uninstalled Norton application on your macOS 10.15.x or later, a message appears in the Terminal window that prompts to drag and drop Norton from Applications folder to Trash. Go to step 7.
   • If you have macOS 10.14.x and earlier, OR if you already uninstalled Norton on your macOS 10.15.x or later, go to step 13.
7. In the Terminal window, press return to open the Applications folder in Finder.
8. In the Applications folder, select the Norton application, and then drag and drop it to the Trash.
9. When you see a prompt, type your administrator account password, and then click OK.
10. In the Norton installer window, click Uninstall.
11. If you see a prompt, type your administrator account password, and then click Install Helper.
12. When the Norton uninstall finishes, run the RemoveNortonMacFiles.command file in Terminal again.

    For more information, refer to the instructions in step 5 above.

13. In the Terminal window, type your administrator password, and then press return.

    When you type your password, no characters appear.

14. To remove all Norton files and folders, type 1.

    If you want to quit RemoveNortonMacFiles without removing any files, type 2.

15. Press return.

    RemoveNortonMacFiles tool removes all of the Norton files.

16. When the RemoveNortonMacFiles tool finishes removing the Norton files, in the Terminal window, type y, and press return to restart your Mac.

    Before you press return, make sure that you save your work in other open applications.

    If you need help with installation, then read Install Norton device security.

1. From the home screen, tap and hold on the Norton 360 app icon, and then move it to the Uninstall option at the top.
2. In the confirmation alert, tap Ok to remove the Norton 360 app from your device.

1. On your Android device, launch the Google Play Store app, and search for Norton 360 app.
2. On the Norton 360 app screen, tap Install.
3. When the installation finishes, tap Open.
4. Read and accept the License and Services Agreement, acknowledge our Global Privacy Statement, and then tap Sign in.
5. Type your NortonLifeLock account email address and password, and then tap Sign In.

   If you see any problems with installing Norton 360 app on your mobile device, make sure that your device has the latest version of Google Play Store app, and all the latest system updates installed.

1. On the Home screen, tap and hold on the Norton 360 app icon until it jiggles.
2. In the top-left corner of the app icon, tap the delete icon to delete it.

1. On your iOS device, launch the Apple App Store app, and search for Norton 360 app.
2. On the Norton 360 app screen, tap GET or download icon .
3. When the installation finishes, tap Open.
4. Read and accept the License and Services Agreement, acknowledge our Global Privacy Statement, and then tap Sign in.
5. Type your NortonLifeLock account email address and password, and then tap Sign In.

Source : Official Norton Brand
Editor by : BEST Antivirus KBS Team