How do I use my 2 year virus protection

[Tigg]

How do I install my Window's Defender? 

[Prométhée]

Hello
What exactly is your problem, what antivirus are you talking about ..
I ask, because in the title you indicate "" my 2 year virus protection ""
But then you say "my Window's Defender?"

Windows Defender Antivirus is free, and should not be limited to two years, you can find more information here:

https://www.microsoft.com/en-us/windows/comprehensive-security

or

https://support.microsoft.com/en-us/windows/stay-protected-with-windows-security-2ae0363d-0ada-c064-...

Basically, either you are using your own antivirus, it can be the preinstalled antivirus, limited time most often.
Either the microsoft windows antivirus, for this you do not need another antivirus installed

[Tigg]

So your telling me the defender was ALREADY put on my computer?

[Prométhée]

what is the model of your computer, is it new?

HP Desktop PCs - How Do I Find My Model Number or Product Number? | HP® Customer Support

there is an antivirus, preinstalled in trial version .
But we can not use it, and use the microsoft antivirus!