1) Make sure you have your product key. Log in to www.mynortonaccount.com to get it with the email address you used when you registered the product.

2) Download the current version of the product at www.norton.com/download.

3) Activate the product with your product key. It will last for 15 days without activation, but activate it all the same, because it will still count down to your expiration date even if you won't use it.