How to Install Norton Antivirus on Mac iOS?
Go to www.norton.com/setup
Sign up for Norton account or sign in if you already have one.
Enter your 25 digit Norton product key and click ENTER
After activation of Norton antivirus, go to your Norton account and select your product option under services i.e Norton360, Norton security, Norton internet security, Norton security deluxe, Norton Antivirus, Norton security standard etc.
Download the product for Mac and install. Wait until your Mac restarts
Update your Norton product to the latest version
Check firewall settings and update your operating system if needed.
Run a full scan just to make sure it’s running well.