Yes, it is possible to turn off Windows Defender temporarily. There are a few different methods for doing so, depending on the version of Windows that you have installed.
1. Windows 10
If you have Windows 10, you can temporarily turn off Windows Defender using the Settings app. To do this, open the Settings app, and navigate to the Update & security section. From there, select the Windows Defender option. On the next page, toggle off the Real-time protection switch. This will turn off Windows Defender until the setting is changed back to on.
2. Windows 8
In Windows 8, you can temporarily turn off Windows Defender by accessing the Action Center. To do this, open the Charms bar by swiping in from the right edge of the screen, and select the Settings charm to open the Settings panel. Select the Change PC settings option, and select the Security option. From the Security menu, select the Windows Defender option. On this page, you can turn Windows Defender off by selecting the Off option from the list.
3. Windows 7
On Windows 7, you can temporarily disable Windows Defender by accessing the Control Panel. To do this, open the Control Panel, and select the System and Security option. From the System and Security window, select the Windows Defender option. This will open the Windows Defender window, where you can toggle off the real-time protection switch to temporarily turn off Windows Defender.
After turning off Windows Defender, you can easily turn it back on again using the same steps as above. Depending on your version of Windows, however, you may need to reboot your computer after re-enabling Windows Defender.
No matter which method you use, it is important to remember that turning off Windows Defender can make your computer more vulnerable to malicious software. Therefore, it is not recommended that you leave Windows Defender turned off for extended periods of time. Instead, use this feature when you need to install programs or applications that are known to be safe, but which may conflict with Windows Defender.