Windows Defender is the default antivirus program comes with the Windows 8 even it was with the Widows 7 too. That is very good antivirus and no doubt it can stop almost every virus. But if you want to install any other antivirus or internet securities like Kaspersky Internet Security then why not disable the default one?
Need of disabling and uninstalling Windows Defender in Windows 8:
In every how to tutorial present on xtendedview, I try to provide the need of that. Because the doing tweaks unnecessarily is useless and waste of time. So the need is Windows is specialized in developing operating systems not antivirus. Many new viruses ad threads created daily and to defend them powerful database requires and that should be updated daily. So if you think to install any other antivirus on your computer or might already install one then you are just running two antiviruses on single system. And it is totally wastage of your computer resources. So this is the main reason that you should disable any one from them.
How to disable and completely uninstall Windows 8 Defender?
The procedure is extremely simple. As you are using Windows 8 it is easier.
Press Windows key and start typing word “Defender”
You will get link to Windows defender antivirus. Click on it to open it.
Go to Setting >> Administrator and uncheck the option Turn on Windows Defender.
This is not enough to uninstall it. You will need to stop the program from being open at next start of Windows 8.
Now open Start menu (Metro UI) by pressing Windows Key and type “Services” without quotes. Click on it and you will get such a window.
In this windows find two services named “Windows Defender Service” and Windows “Defender Network Inspection service” Right click on it and select “Properties” and select Start up Type : “Disabled” and finally press apply.
Final step is going to C: >Program Files >> Windows Defender folder and rename the folder to any name like “Windows Defender old” so that in any case the exe files can not start executing.
Now your Windows 8 Defender never starts and save important computer resources assuming that you are running any other antivirus program.