Norton lets you send an email message with the download link. You can use the download link available in the 
email to install the Norton product and add the device to your Norton account. You can also send the Norton download link through text message, or copy the Norton download link to share it later. The Norton download link is valid only for 14 days. You must download the Norton service within 14 days from the date you received the email. If the download link expires, you have to resend the download link
Follow the instructions to share dowload link :
- Sign in to your Norton account.
- In the My Norton page, click Download.
- In the page that appears, click Send a Download Link.
- In the Protect another device page, do one of the following:
- Email: Type the email address in the text box.
- Text: Select a country and type the mobile number to send the download link as a text message.
- Copy Link: Copy the download link to share later.
- Click the send or copy button.
Follow the instructions to Install Norton on the device
- Open the email or SMS text message from the device on which you want to install Norton.
- If you do not find the email in your Inbox, check your spam folder. The emails sent by Norton are legitimate and are not spams.
- Click/tap the download link.
- In the page that appears, click/tap Agree & Download.
- Click on the area pointed by the on-screen arrow and follow the on-screen instructions.