I would like to install Norton Internet Security for Mac to protect my Mac OS.
Start Parallels Desktop, click on File and choose Install Antivirus for Mac to start installation of the software that will protect your Mac.
Choose Norton Internet Security for Mac from the list of available anti-virus software and click Install.
Go through all the steps of the installation wizard till you see the confirmation that the process was successfully completed.
Restart your virtual machine.
Activation of a trial copy
A trial copy is activated automatically as soon as you install the software. You do not have to go through any additional activation procedures.
You can see the number of remaining days if you start Norton.
Activation with a commercial key
Start Norton Internet Security for Mac and click on Purchase Now.
If you do not have an activation key yet, select Purchase (recommended), click OK and you will be redirected to the Norton Online Store to buy one.
If you have an activation key, start Norton Internet Security for Mac, click on Purchase Now and select Activate with Key. Enter the license in the new window and click on Activate.
Now you have a commercial copy of Norton antivirus protecting your Mac.