If Norton 360 is installed on one computer but not the others, it likely hasn’t been installed yet on those devices. Buying a multi-device subscription gives you licenses to protect more than one device, but you need to install and activate the software on each one.
Here’s what to check:
- Installation: Make sure you’ve downloaded and installed Norton 360 on each computer. Purchase alone doesn’t install it automatically.
- Activation: After installation, sign in with your Norton account to activate the protection on each device.
- License Limit: Verify that you haven’t exceeded the number of devices your subscription covers.
You can install Norton 360 on additional devices from your Norton account at my.norton.com. Once signed in, go to My Devices, click the + Add Device button and follow the prompts for each device you want to protect.
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