I recently bought a new laptop with windows 10 on it - I still have an account with Norton security from my old computer and I expected to have to download this again but after I got the new one it hasn't given me any messages about having to install anti virus software - do newer computers like this already include sufficient security, and so I don't need to use external antivirus software? Or should I redownload the Norton again just to be safe? - danny736
Windows 10 has built-in real-time antivirus, just as Windows 8 did. It automatically runs in the background, ensuring all Windows users have a baseline level of antivirus protection. Windows 10 wonât complain at you to install an antivirus, as Windows 7 did.