What is Windows defender?

This is a recommends products dialog
Top Suggestions
Starting at
View All >
Language
French
English
ไทย
German
繁體中文
Country
Hi
All
Sign In / Create Account
language Selector,${0} is Selected
Join & Shop in Lenovo Pro
Register at Education Store
Pro Tier Benefits
• Save up to an extra 5% on Think everyday pricing
• Purchase up to 10 systems per order (5 more than Lenovo.com)
• Spend $10K, advance to Plus Tier with increased benefits
Plus Tier Benefits
• Save up to an extra 6% on Think everyday pricing
• Purchase up to 25 systems per order (20 more than Lenovo.com)
• Spend $50K, advance for free to Elite Tier with increased benefits
• Take advantage of flexible payment options with TruScale Device as a Service. Learn More >
Elite Tier Benefits
• Save up to an extra 7% on Think everyday pricing
• Purchase up to 50 systems per order (45 more than Lenovo.com)
• Take advantage of flexible payment options with TruScale Device as a Service. Learn More >
Partner Benefits
• Access to Lenovo's full product portfolio
• Configure and Purchase at prices better than Lenovo.com
View All Details >
more to reach
PRO Plus
PRO Elite
Congratulations, you have reached Elite Status!
Pro for Business
Delete icon Remove icon Add icon Reload icon
TEMPORARILY UNAVAILABLE
DISCONTINUED
Temporary Unavailable
Cooming Soon!
. Additional units will be charged at the non-eCoupon price. Purchase additional now
We're sorry, the maximum quantity you are able to buy at this amazing eCoupon price is
Sign in or Create an Account to Save Your Cart!
Sign in or Create an Account to Join Rewards
View Cart
Your cart is empty! Don’t miss out on the latest products and savings — find your next favorite laptop, PC, or accessory today.
Remove
item(s) in cart
Some items in your cart are no longer available. Please visit cart for more details.
has been deleted
Please review your cart as items have changed.
of
Contains Add-ons
Subtotal
Proceed to checkout
Yes
No
Popular Searches
What are you looking for today ?
Quick Links
Recent Searches
Hamburger Menu
skip to main content
{"arrowColor":"","backgroundColor":"#e6f4fa","divideColor":"#DBDBDB","sideMsg":"","data":[{"pcInfo":"","mAndTabInfo":"","bannerInfo":{"t_id":"Pagecb8ff87b-1b2d-40aa-9187-88a55942e760","language":{"fr_ca":"","en_ca":"%3Cp%3E%3Cstrong%3E%3C%2Fstrong%3E%3Cstrong%3E%3C%2Fstrong%3E%3C%2Fp%3E%3Cp%3E%3Cstrong%3E%3Cspan%20style%3D%22text-wrap%3A%20nowrap%3B%22%3E%3C%2Fspan%3E%3C%2Fstrong%3E%3C%2Fp%3E%3Cp%3E%3Cstrong%3E%3C%2Fstrong%3E%3Cstrong%3E%3C%2Fstrong%3E%3Cstrong%3EBlack%20Friday%20in%20July!%20%3C%2Fstrong%3ESave%20up%20to%20%7BsavingPercent%7D%20on%20laptops%20%26amp%3B%20accessories!%20Plus%2C%20extra%20savings%20the%20more%20you%20buy.%26nbsp%3B%3Ca%20href%3D%22%2Fd%2Fdeals%2Fdoorbusters%2F%3FIPromoID%3DLEN944203%22%20target%3D%22_self%22%3E%3Cstrong%3EShop%20Now%3C%2Fstrong%3E%3C%2Fa%3E%3C%2Fp%3E","en":"%3Cp%3E%3Cstrong%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3C%2Fstrong%3E%3Cstrong%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3C%2Fstrong%3E%3Cstrong%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3C%2Fstrong%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3C%2Fspan%3E%3Cstrong%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3C%2Fstrong%3E%3Cstrong%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3C%2Fstrong%3E%3Cstrong%20style%3D%22text-wrap%3A%20wrap%3B%22%3EBlack%20Friday%20in%20July!%26nbsp%3B%3C%2Fstrong%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%22%3ESave%20up%20to%20%7BsavingPercent%7D%20on%20laptops%20%26amp%3B%20accessories!%20Plus%2C%20extra%20savings%20the%20more%20you%20buy.%3C%2Fspan%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%26nbsp%3B%3C%2Fspan%3E%3Ca%20href%3D%22https%3A%2F%2Fadmin.lenovo.com%2Fd%2Fdeals%2Fdoorbusters%2F%3FIPromoID%3DLEN944203%22%20target%3D%22_self%22%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3Cstrong%3EShop%20Now%3C%2Fstrong%3E%3C%2Fa%3E%3Ca%20href%3D%22https%3A%2F%2Fadmin.lenovo.com%2Fd%2Fdeals%2Fdoorbusters%2F%3FIPromoID%3DLEN944203%22%20target%3D%22_self%22%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3Cstrong%3E%3C%2Fstrong%3E%3C%2Fa%3E%3Ca%20href%3D%22%2Fd%2Fdeals%2Fdoorbusters%2F%3FIPromoID%3DLEN944203%22%20target%3D%22_self%22%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3Cstrong%3E%3C%2Fstrong%3E%3C%2Fa%3E%3Ca%20href%3D%22%2Fd%2Fdeals%2Flenovo-sale%2F%3FIPromoID%3DLEN944203%22%20target%3D%22_self%22%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3Cstrong%3E%3C%2Fstrong%3E%3C%2Fa%3E%3Ca%20href%3D%22%2Fd%2Fdeals%2Fdoorbusters%2F%3FIPromoID%3DLEN944203%22%20target%3D%22_self%22%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3Cstrong%3E%3C%2Fstrong%3E%3C%2Fa%3E%3Ca%20href%3D%22%2Fd%2Fdeals%2Fbusiness%2F%3FIPromoID%3DLEN944203%22%20target%3D%22_self%22%20textvalue%3D%22Shop%20Now%22%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3Cstrong%3E%3C%2Fstrong%3E%3C%2Fa%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3C%2Fspan%3E%3C%2Fp%3E","fr":""},"id":"Pagecb8ff87b-1b2d-40aa-9187-88a55942e760"},"gInfo":""},{"pcInfo":"","mAndTabInfo":"","bannerInfo":{"t_id":"Paged60958cb-4182-4a7d-a025-ddb7caf3e83b","language":{"fr_ca":"","en_ca":"%3Cp%3E%3Cstrong%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3C%2Fspan%3E%3C%2Fstrong%3E%3Cstrong%3EShopping%20for%20a%20business%3F%3C%2Fstrong%3E%20New%20Lenovo%20Pro%20members%20get%20%24100%20off%20first%20order%20of%20%241%2C000%2B%2C%20exclusive%20savings%20%26amp%3B%201%3A1%20tech%20support.%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%26nbsp%3B%3Ca%20href%3D%22%2Fbusiness%2Fbenefits%2F%3FIPromoID%3DLEN818484%22%20target%3D%22_self%22%3E%3Cstrong%3ELearn%20More%20%26gt%3B%3C%2Fstrong%3E%3C%2Fa%3E%3C%2Fspan%3E%3C%2Fp%3E","en":"%3Cp%3E%3Cstrong%20style%3D%22text-wrap%3A%20wrap%3B%22%3EShopping%20for%20a%20business%3F%3C%2Fstrong%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%26nbsp%3BNew%20Lenovo%20Pro%20members%20get%20%24100%20off%20first%20order%20of%20%241%2C000%2B%2C%20exclusive%20savings%20%26amp%3B%201%3A1%20tech%20support.%3C%2Fspan%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%26nbsp%3B%3Ca%20href%3D%22%2Fbusiness%2Fbenefits%2F%3FIPromoID%3DLEN818484%22%20target%3D%22_self%22%20textvalue%3D%22Learn%20More%20%26gt%3B%22%3E%3Cstrong%3ELearn%20More%20%26gt%3B%3C%2Fstrong%3E%3C%2Fa%3E%3C%2Fspan%3E%3C%2Fp%3E","fr":""},"id":"Paged60958cb-4182-4a7d-a025-ddb7caf3e83b"},"gInfo":""},{"pcInfo":"","mAndTabInfo":"","bannerInfo":{"t_id":"Page6b7cdb3a-97e1-4005-ba1d-ae703bf128c4","language":{"fr_ca":"","en_ca":"%3Cp%3E%3Cstrong%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3C%2Fspan%3E%3C%2Fstrong%3E%3Cstrong%3E%3C%2Fstrong%3E%3Cstrong%20style%3D%22text-wrap%3A%20wrap%3B%22%3EMy%20Lenovo%20Rewards!%26nbsp%3B%3C%2Fstrong%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%22%3EJoin%20for%20free%20or%20sign%20in%20to%20your%20account%20and%20earn%202X%20Rewards%20sitewide%26nbsp%3B%20(that%26%2339%3Bs%206%25%20back).%20Hurry%2C%20ends%207%2F14.%3C%2Fspan%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%26nbsp%3B%3C%2Fspan%3E%3Ca%20href%3D%22%2Frewards%2F%3FIPromoID%3DLEN775755%22%20target%3D%22_self%22%3E%3Cstrong%3EJoin%20For%20Free%20%26gt%3B%3C%2Fstrong%3E%3C%2Fa%3E%3C%2Fp%3E","en":"%3Cp%3E%3Cstrong%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3C%2Fstrong%3E%3Cstrong%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3C%2Fstrong%3E%3Cstrong%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3C%2Fstrong%3E%3Cstrong%20style%3D%22text-wrap%3A%20wrap%3B%22%3EMy%20Lenovo%20Rewards!%26nbsp%3B%3C%2Fstrong%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%22%3EJoin%20for%20free%20or%20sign%20in%20to%20your%20account%20and%20earn%202X%20Rewards%20sitewide%26nbsp%3B%20(that%26%2339%3Bs%206%25%20back).%20Hurry%2C%20ends%207%2F14.%3C%2Fspan%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%26nbsp%3B%3C%2Fspan%3E%3Ca%20href%3D%22https%3A%2F%2Fadmin.lenovo.com%2Frewards%2F%3FIPromoID%3DLEN775755%22%20target%3D%22_self%22%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3Cstrong%3EJoin%20For%20Free%20%26gt%3B%3C%2Fstrong%3E%3C%2Fa%3E%3Ca%20href%3D%22https%3A%2F%2Fadmin.lenovo.com%2Frewards%2F%3FIPromoID%3DLEN775755%22%20target%3D%22_self%22%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3Cstrong%3E%3C%2Fstrong%3E%3C%2Fa%3E%3Ca%20href%3D%22%2Frewards%2F%3FIPromoID%3DLEN775755%22%20target%3D%22_self%22%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3Cstrong%3E%3C%2Fstrong%3E%3C%2Fa%3E%3C%2Fp%3E","fr":""},"id":"Page6b7cdb3a-97e1-4005-ba1d-ae703bf128c4"},"gInfo":""},{"pcInfo":"","mAndTabInfo":"","bannerInfo":{"t_id":"Page4219512a-1af1-4d7f-ae51-b750ad6ac64d","language":{"fr_ca":"","en_ca":"%3Cp%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%22%3EBusiness%20Financing%20Available.%20Split%20payments%20from%204%20to%2052%20weeks%2C%20options%20as%20low%20as%200%25%20interest.%26nbsp%3B%3C%2Fspan%3E%3Ca%20href%3D%22%2Flandingpage%2Flenovo-financing-options%2F%3FIPromoID%3DLEN771093%22%20target%3D%22_self%22%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3Cstrong%3ESee%20Details%20%26gt%3B%3C%2Fstrong%3E%3C%2Fa%3E%3C%2Fp%3E","en":"%3Cp%3E%3Cspan%20style%3D%22text-wrap%3A%20wrap%3B%22%3EBusiness%20Financing%20Available.%20Split%20payments%20from%204%20to%2052%20weeks%2C%20options%20as%20low%20as%200%25%20interest.%26nbsp%3B%3C%2Fspan%3E%3Ca%20href%3D%22%2Flandingpage%2Flenovo-financing-options%2F%3FIPromoID%3DLEN771093%22%20target%3D%22_self%22%20style%3D%22text-wrap%3A%20wrap%3B%22%3E%3Cstrong%3ESee%20Details%20%26gt%3B%3C%2Fstrong%3E%3C%2Fa%3E%3C%2Fp%3E","fr":""},"id":"Page4219512a-1af1-4d7f-ae51-b750ad6ac64d"},"gInfo":""},{"pcInfo":"","mAndTabInfo":"","bannerInfo":{"t_id":"Page9ea6fdf5-30ad-46cb-9dd9-38945ca29588","language":{"fr_ca":"","en_ca":"%3Cp%3EFree%20shipping%20sitewide%2C%20no%20minimum.%3C%2Fp%3E","en":"%3Cp%3EFree%20shipping%20sitewide%2C%20no%20minimum.%3C%2Fp%3E","fr":""},"id":"Page9ea6fdf5-30ad-46cb-9dd9-38945ca29588"},"gInfo":""}],"autoRun":true,"displayTerminal":"pc","isShowDivide":true}

What is Windows defender?

Windows defender is a built-in antivirus and antimalware solution provided by Microsoft for Windows operating systems. It helps protect your computer against various threats such as viruses, spyware, ransomware, and other malicious software.

How does Windows defender work?

Windows defender uses real-time protection to monitor your computer for any suspicious activities or files. It scans and analyzes the files you access, the programs you run, and the websites you visit to detect and block any potential threats. It also regularly updates its virus definitions to stay up to date with the latest known threats.

Do I need to install Windows defender?

No, you don't need to install Windows defender separately. It comes pre-installed with Windows 10 and is automatically enabled by default. However, if you're using an older version of Windows, you might need to download and install Microsoft security essentials, which is the predecessor of Windows defender.

Can I use Windows defender alongside another antivirus program?

While it's recommended to use only one antivirus program at a time to avoid conflicts, Windows defender is designed to work seamlessly with Windows and doesn't interfere with most other antivirus software. However, it's important to ensure that only one real-time scanning feature is active to prevent performance issues.

Does Windows defender provide real-time protection?

Yes, Windows defender provides real-time protection. It actively monitors your computer's activities and scans files in real-time to detect and block any potential threats. This helps keep your system protected against viruses and other malware as you access files, programs, and websites.

Can I perform manual scans with Windows defender?

Windows Defender allows you to perform manual scans on your system whenever you want.

Can Windows defender remove viruses and malware from my computer?

Yes, Windows defender can remove viruses and malware from your computer. When it detects a threat during a scan or real-time protection, it attempts to remove or quarantine the malicious files automatically. If you suspect an infection, you can perform a manual scan to let Windows defender clean your system.

Does Windows defender offer browser protection?

Yes, Windows defender provides browser protection through its Microsoft defender SmartScreen feature. SmartScreen helps protect you against phishing attempts, malicious websites, and downloads by analyzing the uniform resource locators (URLs) and files you interact with. It works with Microsoft Edge and other browsers based on the chromium open-source project.

Can Windows defender protect me from ransomware attacks?

Yes, Windows defender includes specific features to protect against ransomware attacks. It utilizes behavior monitoring and machine learning to detect suspicious activities that might indicate ransomware encryption. If ransomware is detected, Windows defender will attempt to stop and quarantine the threat, minimizing potential damage to your files.

Can I customize the settings of Windows defender?

Yes, you can customize the settings of Windows defender according to your preferences. Some of the settings you can adjust include the scanning options, exclusions, notifications, and cloud-based protection. To access these settings, open Windows Security and navigate to the corresponding sections.

Does Windows defender provide firewall protection?

Yes, Windows defender includes a built-in firewall called Windows defender firewall. It helps protect your computer from unauthorized access by monitoring incoming and outgoing network traffic. The firewall can be configured to allow or block specific programs or ports, providing an additional layer of security.

Is Windows defender enough to keep my computer secure?

Windows defender is a robust security solution and offers reliable protection against a wide range of threats. However, it's always recommended to practice good security hygiene and complement it with safe browsing habits, regular software updates, and caution while downloading files or opening email attachments. Additionally, keeping your operating system up to date and using strong, unique passwords can further enhance your overall security.

Can I disable Windows defender if I prefer to use a different antivirus program?

Yes, you can disable Windows defender if you prefer to use a different antivirus program. However, it's important to note that disabling Windows defender leaves your computer vulnerable to malware and other threats if you don't have another reliable antivirus solution installed. If you choose to disable Windows defender, ensure that you have a suitable alternative in place to protect your system.

Is Windows defender available for older versions of Windows?

Yes, Windows defender is available for older versions of Windows, but under a different name. For Windows 7 and Windows Vista, you can download and install Microsoft security essentials, which is the predecessor of Windows defender. It provides similar antivirus and antimalware protection for these operating systems.

Does Windows defender provide protection against phishing attacks?

Yes, Windows defender helps protect you against phishing attacks through its various security features. It includes email and web protection that analyze links and attachments in emails, as well as the websites you visit, to detect and block phishing attempts. Additionally, Windows defender's SmartScreen feature helps identify and block malicious websites that may try to trick you into revealing sensitive information.

Can Windows defender detect and remove adware from my computer?

Yes, Windows defender can detect and remove adware from your computer. Adware is a type of software that displays unwanted advertisements or redirects your browser to advertising websites. Windows defender's real-time protection and regular scans can identify and eliminate adware infections, helping to keep your system free from these intrusive and potentially malicious programs.

Can Windows defender be used in enterprise environments?

Yes, Windows defender can be used in enterprise environments. Microsoft offers Windows defender advanced threat protection (ATP) as an enterprise-grade security solution. Windows defender ATP provides additional capabilities such as centralized management, advanced threat detection, and response features to help protect large-scale deployments in corporate networks.

Can Windows defender protect against fileless malware?

Yes, Windows defender includes features to protect against fileless malware. Fileless malware is a type of malicious software that resides in a computer's memory instead of being stored on disk. Windows defender utilizes behavior monitoring, script scanning, and other advanced techniques to detect and mitigate fileless malware attacks, helping to safeguard your system and data.

Can I run Windows defender offline to scan for malware?

Yes, you can run Windows defender offline to scan for malware. Running an offline scan can help detect and remove persistent threats that may hide or evade detection when your operating system is running.

{"pageComponentDataId":"c6016cday5451-43d6-9d34-e558a08d2b76","isAssociatedRelease":"true","pageComponentDataLangCode":"en","configData":{"jumpType":"currentTab","headlineColor":"black","displayNumber":"","styleMode":"vertical","headline":"","products":[{"number":{"t_id":"4XD1C99223","language":{"fr_ca":"","en_ca":"4XD1C99223","en_us":"","en":"4XD1C99223","fr":""},"id":"Paged364d785-5b43-46f3-897f-cfc1f2886cc5"}},{"number":{"t_id":"GX30Z21568","language":{"fr_ca":"","en_ca":"GX30Z21568","en_us":"","en":"GX30Z21568","fr":""},"id":"Page8a92c658-e187-4221-a70b-abfeb5c40052"}},{"number":{"t_id":"GX41L44752","language":{"fr_ca":"","en_ca":"GX41L44752","en_us":"","en":"GX41L44752","fr":""},"id":"Page3c3ca4cb-191e-42d6-b6bf-2a17188dcd34"}},{"number":{"t_id":"GY51F14319","language":{"fr_ca":"","en_ca":"GY51F14319","en_us":"","en":"GY51F14319","fr":""},"id":"Page9aad6b00-44a5-4f35-91db-6509e57b5f2f"}},{"number":{"t_id":"4Z91K18761","language":{"fr_ca":"","en_ca":"4Z91K18761","en_us":"","en":"4Z91K18761","fr":""},"id":"Page8d533231-87a4-40f2-9a1c-5e922f32affc"}}]},"urlPrefix":"AAAAAAAFAAAH","needGetLatestTransDataKey":"needGetLatestTransDataValue","title":"glossary-right-blue-boxes-fragment","pageId":"ed8ce94b-788f-4a56-a348-d72df37718b3","urlEdit":0,"uri":"/FragmentDirectory/gloccery/glossary-right-blue-boxes-fragment.frag","pageComponentId":"c6016cday5451-43d6-9d34-e558a08d2b76","tplId":"e60a662e-c1b6-4ba3-afa9-6f6977b562f8","pageComponentUuid":"c6016cday5451-43d6-9d34-e558a08d2b76","targetUser":"0"}
coming coming
Starting at
List Price
Est Value
Est Value:
List Price
Est Value (Estimated Value)
List Price is Lenovo’s estimate of product value based on the industry data, including the prices at which first and third-party retailers and etailers have offered or valued the same or comparable products. Third-party reseller data may not be based on actual sales.
Estimated value is Lenovo’s estimate of product value based on industry data, including the prices at which Lenovo and/or third-party retailers and e-tailers have offered or valued the same or comparable products. Third-party data may not be based on actual sales.
Learn More
See More
See Less
View {0} Model
View {0} Models
Delivery options for {0}
Part Number
Features
See More
See Less
Compare
Added!
Great choice!
You may compare up to 4 products per product category (laptops, desktops, etc). Please de-select one to add another.
View Your Comparisons
Add To Cart
Add To Cart
We're sorry,
Products are temporarily unavailable.
Continue Shopping
Learn More
Coming Soon
Featured Product
Featured Products
Oops! No results found. Visit the categories above to find your product.
Save

Seasonal Sales & FAQ's

open in new tab
© 2024 Lenovo. All rights reserved.
© {year} Lenovo. All rights reserved.
Compare  ()
x