Windows Defender

Windows Defender

Windows Defender download for free to PC or mobile

Discover the power of Windows Defender, a robust tool by Microsoft designed to safeguard your computer from malicious software. Formerly known as Microsoft AntiSpyware, Windows Defender scans your system for threats and provides real-time protection to prevent harmful software from being installed. With its user-friendly interface and customizable options, it's easy to schedule scans, configure alerts, and select specific elements for analysis. One standout feature is the Software Explorer, which details the characteristics of running programs, startup items, and network applications. Join a thriving community of users to stay informed about the latest in spyware protection. Enhance your system's security effortlessly with Windows Defender.

  • Apps & Games
  • Windows Defender download for free to PC or mobile
06 Jun 2024
Title Windows Defender
Size 5.0 MB
Price free of charge
Category Applications
Developer Microsoft
System Windows
5.0 MB
4
702 reviews
2631
downloads
The content of games with a PEGI 3 rating is considered suitable for all age groups. The game should not contain any sounds or pictures that are likely to frighten young children. A very mild form of violence (in a comical context or a childlike setting) is acceptable. No bad language should be heard. Equivalent to E (low end) and EC (which is no longer used). 435 titles were rated PEGI 3 in 2020.
PEGI Rating
Windows Defender

Windows Defender Features

Windows Defender is your go-to security solution for protecting your PC against viruses, malware, and other online threats. With real-time protection, automatic updates, and a user-friendly interface, it ensures your device stays safe and secure. Its advanced threat detection capabilities and customizable scan options make it a reliable choice for keeping your personal information and data protected. Say goodbye to worries about cyber attacks with Windows Defender by your side.

Real-time Protection

Windows Defender provides real-time protection against threats like viruses, malware, and spyware to keep your device secure at all times.

Firewall Security

Windows Defender includes a built-in firewall to monitor and control incoming and outgoing network traffic, enhancing your device's security.

Automatic Updates

Windows Defender automatically updates its virus definitions and security features to ensure your device is protected against the latest threats.

Scheduled Scans

You can schedule regular scans with Windows Defender to check for any potential threats and keep your device clean and secure.

Quarantine Management

Windows Defender quarantines suspicious files and allows you to review and take action on them to prevent any harm to your device.

Browser Protection

Windows Defender offers browser protection to block malicious websites and downloads, keeping you safe while browsing the internet.

Windows Defender overview

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    Ensure your device stays secure with this essential application designed to protect against harmful and unwanted software. Regular updates are crucial for detecting the latest threats, keeping your system safe and running smoothly. With real-time protection activated, you can schedule daily scans to maintain optimal security. Stay informed and proactive in safeguarding your digital environment effortlessly.

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    02

    Experience seamless protection with this application designed to keep your system secure. It offers quick scanning capabilities, allowing you to monitor your device efficiently. In just seconds, it examines numerous files, ensuring that potential threats are identified and managed. With a user-friendly interface, you can easily track the status of your scans and maintain optimal performance effortlessly. Stay safe and informed with every use.

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    Protect your device effortlessly with this powerful application designed to keep your system safe from unwanted software. Customize your settings to ensure optimal performance and join a community dedicated to identifying and eliminating spyware threats. Easily manage quarantined items and permitted software, while monitoring all running applications. Stay informed with the latest security updates and tools available online. Your digital safety is just a click away.

Windows Defender installation

download

Click on the Download button to start downloading Windows Defender for Windows

open

Open the .exe installation file in the Downloads folder and double click it

props

Follow the instructions in the pop-up window to install Windows Defender on Windows Desktop

run

Now you can open and run Windows Defender on Windows Desktop

Windows Defender reviews

Update: 29 Oct 2024

Just a quick shoutout to Windows Defender! It’s been a breeze to use and keeps my system running fast. I don’t think I’ll ever go back to anything else. So grateful for this app!

I was skeptical at first, but now I'm a big fan of Windows Defender! It’s fast, effective, and it feels like I have a trusted partner looking out for my data. I don’t worry anymore. So worth it!

Windows Defender is okay but not perfect. I like the quick scans, but I’ve had a few false positives that were annoying. Overall, it’s decent, but sometimes I wonder if I should look for something else.

Best antivirus I’ve ever used! Windows Defender is simple yet powerful. I like how it scans in the background while I work. Plus, it feels nice to have that extra security. Can’t get enough of it!

I can’t believe I ever neglected to use Windows Defender! It’s super effective, and I noticed my computer is faster ever since I installed it. Major props for making security so easy! Highly recommend!

Pretty happy with Windows Defender! It catches most threats and has a clean interface. I like the notifications, too, but they can be slightly overwhelming at times. Just a tiny bit of tweaking needed, I think.

Windows Defender is legit the best! I’ve had zero issues with viruses since I started using it. It’s reliable, and the interface is super user-friendly. Honestly, I can’t recommend it enough. Total lifesaver!

Windows Defender is solid! I love the way it integrates with Windows and how it runs updates automatically. It gives me peace of mind, but sometimes I feel like it could be more user-friendly. Overall, pretty great!

Had mixed feelings about Windows Defender. It does its job mostly, but I’ve seen it miss a few threats that other software caught. The user experience is nice, but I'm considering switching for peace of mind.

Been using Windows Defender for a while now, and it does the job! I really appreciate the ease of use and the fact that it doesn’t slow down my system too much. I feel a lot safer online. Good stuff!

I really enjoy using Windows Defender! Scanning is quick and efficient, and I love that it’s free! My only issue is that it can be a bit resource-heavy during deep scans. But overall, it’s working well for me.

Using Windows Defender has both pros and cons. It’s effective and keeps my computer fast, but sometimes I don’t feel it’s thorough enough with deeper scans. Still, it’s much better than other free options!

Updates and reviews about Windows Defender

Antivirus Challenges: Bypassing Windows Defender Systems

23 Apr 2025

Antivirus Challenges: Bypassing Windows Defender Systems

Researchers bypass Windows Defender using XOR encryption and system calls, highlighting traditional antivirus weaknesses. The study underscores the need for Endpoint Detection and Response for better cybersecurity.

Read more
Exploring Options for Reliable Free Antivirus Software

23 Apr 2025

Exploring Options for Reliable Free Antivirus Software

Discover reliable free antivirus software options and learn about the differences between free and paid versions to stay protected online. Consider features like advanced threat protection and customer support when choosing the right solution.

Read more
WinRing0 Detection Raises Concerns for PC Gamers and Developers

01 Apr 2025

WinRing0 Detection Raises Concerns for PC Gamers and Developers

Windows Defender's detection of WinRing0 as a HackTool affects gaming and hardware monitoring, leaving developers seeking solutions.

Read more
Optimize Windows Defender for Better Gaming Performance on Windows 11

30 Aug 2024

Optimize Windows Defender for Better Gaming Performance on Windows 11

Microsoft Windows Defender, the default security feature for Windows 11 PCs, can impact gaming performance due to its CPU and disk resource usage. Users can mitigate this by customizing task scheduling to run security tasks only when the computer is idle, potentially reducing slowdowns by 1% to 6%.

Read more
Microsoft Enhances Windows Security with New Updates and Defender Release

12 Aug 2024

Microsoft Enhances Windows Security with New Updates and Defender Release

Microsoft has released updates to enhance Windows security and performance, including KB5001716 for Windows PCs and KB5041979 and KB5041178 for Windows 11 24H2. A new Defender update for installation images addresses vulnerabilities, improving threat detection with the latest intelligence update.

Read more
Windows Defender Excels in AV-TEST but Lacks Key Advanced Features

04 Jul 2024

Windows Defender Excels in AV-TEST but Lacks Key Advanced Features

Windows Defender, the built-in antivirus for Windows, achieved a 100% malware detection rate in the latest AV-TEST report. Despite perfect scores in performance, protection, and usability, it lacks features like an adblocker and advanced VPN. Users may consider third-party antivirus for comprehensive protection.

Read more
All Windows Defender news and updates