Antivirus compatible with windows 8 download

If you are looking for extra convenience, you can check out our all-in-one premium solution, Avira Prime. Download the award-winning free antivirus for Windows. Home Avira Antivirus Windows. Avira Free Antivirus for Windows Award-winning protection, and free forever Top antivirus: blocks spyware, adware, ransomware, etc. Editors' rating: Rating: 5 stars. Award-winning technology that helps protect millions of users.

Top product Advanced malware protection Top malware protection Best performance Best usability. Download for free Download for free. Real-time updates via the cloud Stronger together: every secured device is as a sensor, which detects emerging, never-seen-before attacks.

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Laptop, smartphone or tablet? Secure all your devices with Avira. Discover Antivirus Pro for Mac and Windows. Install Avira Free Antivirus for Windows in 3 easy steps. Run the installer Double-click on the downloaded file. Confirm Click "Yes" on the dialog box to start your installation. In Windows 8. Windows Defender is also offered for consumer devices on Windows 8. The following table summarizes what to expect:. Set its value to 1 which sets the registry key's value to true , and select Hexadecimal for its base.

In those cases, set Microsoft Defender Antivirus to passive mode to prevent problems caused by having multiple antivirus products installed on a server.

For passive mode to work on endpoints running Windows Server and Windows Server R2, those endpoints must be onboarded with the modern, unified solution described in Onboard Windows servers.

Defender for Endpoint includes capabilities that further extend the antivirus protection that is installed on your endpoint. You can benefit from running Microsoft Defender Antivirus alongside another antivirus solution. For example, Endpoint detection and response EDR in block mode provides added protection from malicious artifacts even if Microsoft Defender Antivirus is not the primary antivirus product.

Such capabilities require Microsoft Defender Antivirus to be installed and running in passive mode or active mode. In order for Microsoft Defender Antivirus to run in passive mode, endpoints must meet the following requirements:. Defender for Endpoint affects whether Microsoft Defender Antivirus can run in passive mode. Microsoft Defender Antivirus can affect certain capabilities in Defender for Endpoint, too.

For example, real-time protection works when Microsoft Defender Antivirus is in active or passive mode, but not when Microsoft Defender Antivirus is disabled or uninstalled.

The following table is designed to be informational only. Do not turn off capabilities , such as real-time protection, cloud-delivered protection, or limited periodic scanning if you are using Microsoft Defender Antivirus in passive mode, or if you are using EDR in block mode , which works behind the scenes to detect and remediate malicious artifacts that were detected post-breach.

Microsoft Endpoint data loss prevention protection continues to operate normally when Microsoft Defender Antivirus is in either active or passive mode. Do not disable, stop, or modify any of the associated services that are used by Microsoft Defender Antivirus, Defender for Endpoint, or the Windows Security app.

Manually modifying these services can cause severe instability on your devices and can make your network vulnerable. Disabling, stopping, or modifying those services can also cause problems when using non-Microsoft antivirus solutions and how their information is displayed in the Windows Security app.

EDR in block mode detects and remediate malicious items that are found on the device post breach. To learn more, see EDR in block mode. You can use one of several methods to confirm the state of Microsoft Defender Antivirus, as described in the following table:. The table in this section describes various states you might see with Microsoft Defender Antivirus. Skip to main content. This browser is no longer supported.

Download Microsoft Edge More info. Otherwise, internet access required. Fees may apply. OneDrive files are restored to the state they were in before the attack occurred. File versions created up to 30 days in the past can be restored at any time for any reason. Requires Microsoft account. Location permissions must be active; driving safety available only in the U.

From the box to startup to browsing, Windows helps you stay secure Next-generation antivirus and malware defense. Secure sign-in with Windows Hello Forget your passwords. Edge online privacy Tracking prevention helps you manage how websites track you and gives you control over your privacy settings.

Set it and forget it Windows PCs can automatically backup precious files to the cloud in OneDrive—allowing for selected files to be made recoverable in the event of a cyberattack.

Empower and protect Stay connected with your loved ones, develop stronger safety habits, and create a safer online space with the Microsoft Family Safety app. Learn more.