Norton does not make an offline installer for their products unless you already have a Norton account.
Do you currently have a subscription to Norton? Simply creating an account will not give you access to download. Most downloads are web installers. Any particular reason why this will not work? You will need to full uninstall your existing antivirus first. Care to elaborate.
You can even download Norton offline installers for Windows without a Norton account. You just need to choose one that works for your computer + product key:
For instance, you copy norton.com/latestns and paste the above URL in the address bar and, you'll be good to go. Further, you may consider using IDM.
For related info, you may review this page.
As for the security program you're using, plz browse this KB and uninstall that software completely, FIRST.
The links given will still work in trial mode.
When you come back at some future time, please start a new thread.
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