Microsoft has constantly changed the Windows OS to improve its security and privacy options. If you remember, Microsoft introduced a new Antivirus suite for users in the Windows 10 operating system. The security suite of Windows is called Windows Security, and it protects your PC against malware, viruses, and other types of security threats.

Windows Security is also available on the new Windows 11 operating system. However, Windows 11 is still needs many refinement; hence, users may face problems updating the Microsoft Defender or Windows Security application.

Usually, the Microsoft Defender or Windows security application on Windows 11 is set to update automatically. Still, sometimes, the update may fail due to some bugs, leaving your PC vulnerable to potential malware attacks.

How to Manually Update Windows Security on Windows 11

Also, if the Windows update is disabled, Windows Security will not be updated either. So, if you are using the Windows 11 operating system, you should never skip the security updates.

This article will share the few best ways to manually update the Windows Security application on Windows 11. Let’s check out.

1. Check if Windows Security is Updated

Before manually updating the Microsoft Defender or Windows Security application, check if your Windows Security is outdated. Here’s what you need to do.

1. First, click the Windows 11 search and type in Windows Security. Next, open the Windows Security app from the list.

Windows Security

2. On the Windows Security app, click on the Settings icon on the bottom left corner of the screen.

click on the Settings icon

3. On the right pane, click on the About link below.

click on the About link

4. You can view the current version of the Windows Security app. You need to note down the Antimalware Client Version, the Engine, and the Antivirus Version.

current version of the Windows Security app

5. Open your favorite web browser, and this Microsoft Defender updates page. You need to scroll down and check the latest security intelligence update section.

Microsoft Defender updates


6. You need to compare the details shown on the webpage with those listed in the Windows Security settings in Step 4.

That’s it! If the information does not match, you need to update Windows Security.

2. Manually Update the Windows Security app

In this method, we will manually trigger the Windows Security update. Just follow some of the simple steps we have shared below.

1. First, click on Windows Search and search for Windows Security. Next, open Windows Security from the list of options.

Windows Security

2. On Windows Security, click on Virus & Threat Protection.

Virus & threat protection

3. Now, click the Protection Updates on the right pane under the Virus & Threat Protection updates.

Protection updates

4. On the next screen, click on the Check for updates button as shown below.

Check for updates

That’s it! This is how you can trigger a Windows Security update on a Windows 11 computer.

3. Update Microsoft Defender via PowerShell

This method will use the PowerShell utility to update the Windows security application. Here are some of the simple steps you need to follow.

1. First, click on the Windows 11 search and type PowerShell. Right-click on PowerShell and select Run as administrator.


2. On the Windows Powershell, execute the command:



That’s it! Windows 11 will automatically check for the available Windows security updates and will be installed on your system.

4. Manually Download & install the latest version of Microsoft Defender

If all of the above methods fail to fix the problem, you need to download & install the latest version of Microsoft Defender manually. Here are some of the simple steps you need to follow.

1. Open your favorite web browser and head to this webpage.

2. Now scroll down to the download section as shown below.

download section

3. Next, select the appropriate 32 or 64-bit version of Microsoft Defender Antivirus and download the file on your system.

select the appropriate 32 or 64-bit version

4. Run the executable file, and Microsoft Defender will automatically be updated.

That’s it! This is how you can manually download & install the latest version of Microsoft Security.

5. Run the Windows Update Troubleshooter

Windows automatically updates the Windows Security during the system updates; however, if you’re facing problems with the Windows Update, you can try running the Windows Update troubleshooter.

Windows Update troubleshooter would solve problems with the Windows update and update the Windows Security. Here’s how you can run the Windows Update Troubleshooter.

1. Click on the Windows 11 Start button and select Settings.


2. On Windows Settings, navigate to the System > Troubleshoot > Other Troubleshooter.


3. Now, find Windows Update and click the RUN button beside it.


That’s it! This will launch the Windows Update Troubleshooter. The Update troubleshooter will possibly find & fix problems with the Windows Update.

These are the few best methods to update Microsoft Defender on your Windows 11 operating system manually. If you don’t want to go through all these methods, simply update your Windows 11 operating system.

Upgrading Windows 11, install the latest security updates on your device. I hope this article helped you! Please share it with your friends also. If you have any doubts, let us know in the comment box below.


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