In the earlier version of Window 7 and Window XP, the window defender is optional. But in Window 10, it comes preinstalled. You can turn off the Window defender in your device temporarily or permanently. Just remember, if you turn off the Window defender, it will open the door for security threats. Window Defender automatically gets disabled when you install the other antivirus software but Microsoft does not turn it off permanently. You can install MS Office software to make your work convenient and faster via www.office.com/setup.
Turn Off Window Defender in Window 10:
To turn off the Window Defender in Window 10 you just have to hold the Windows key and R Key altogether and click on it. Then, just go to the start option and then type search for Run and open it. After this, you have to enter gpedit.msc and then click on OK option. Now, open Computer Configuration then Windows Components and after this Administrative Templates and at the end click on Windows Defender Antivirus. Double-click on the option of Turn off Windows Defender Antivirus. Now, choose Enabled and then you have to click on OK button. At the end, restart your device.

Turn Off Window Defender in Window 8.1:
To turn off the Window Defender in Window 8.1 you have to hold down the Windows key, and then click on the C key. Now, go to Search option and then you have to type Windows Defender and open it. And just choose Tools from the top-bar and then just select Options. Now, in the left-hand side, just click on the Administrator. After this, uncheck the box named “Use this program” and then just Click on OK button. If it asks for the permission, then just click on Yes option.
Turn Off Window Defender in Window 7:
To turn off the Window Defender in Window 7 you have to click on the Windows key and then you have to search for Windows Defender. After this, just select Tools from the top-bar and then just go to Options. Now, you have to click on the Administrator. At this point, uncheck the box named Use this program and then just Click on OK option. If the User Account asks for the permission, then you have to click on Yes button.
Turn Off Window Defender in Window XP:
To turn off the Window Defender in Window XP just go to the Windows Defender icon in the status bar and double-click on it.. After this, select Tools from the top-bar and then you have to go to Options. Then just click on the Administrator tool. Now, you have to uncheck the box named and Use this program. At the end, just click on OK option. But if you still found any kind of problem then go to the customer care executive via office.com/setup.