How to enable Microsoft Defender On Windows 10/11

Microsoft Defender (aka Windows Defender) is a component of Windows 10 and 11 that provides comprehensive, built-in and ongoing security protections. It features an anti-virus, anti-malware, firewall and more, to keep your personal computer safe. You may learn more about Windows Defender from Microsoft website.

NOTE: Windows Defender cannot be enabled when another anti-virus is installed.

Using Windows Defender provides several benefits, such as protection from viruses, malware, spyware, and other malicious software. It also provides real-time protection from new threats and can be used to scan your computer for any existing threats. Additionally, Windows Defender can be customized to suit your needs and can be used in conjunction with other security programs for added protection.

1. Click the windows logo in the bottom left corner of the screen. The Start menu will pop up.

2. Scroll down and click Windows Security to open the application.

3. On the Windows Security screen, check if any antivirus program has been installed and running in your computer.

• If the shield icon has a green tick mark, it means: An antivirus program is present and running in your computer. Enabling of Windows Defender is not necessary as your computer is protected by Windows Defender.

• If the shield icon has no mark or a red × mark, it means: No antivirus present and Windows Defender is not enabled in your computer. Please proceed to the next step to enable Windows Defender, to keep your personal computer safe.

4. Click on Virus & threat protection as shown

5. Next, click Mange settings under Virus & threat protection settings, then turn on for Real-time protection

6. Finally, click the Home icon in the upper left corner to return to the homepage. You will see the security shield icon change to the following.