How To Activate Microsoft Security Essentials In Windows 10

Windows 10 and 11 include Windows Security, which provides the latest antivirus protection. Your device will be actively protected from the moment y'all start Windows. Windows Security continually scans for malware (malicious software), viruses, and security threats. In improver to this real-fourth dimension protection, updates are downloaded automatically to help continue your device condom and protect it from threats.

Windows ten or 11 in S mode

Some features volition be a little different if you're running Windows 10 or 11 in S way. Because this manner is streamlined for tighter security, the Virus & threat protection expanse has fewer options. Only don't worry—the congenital-in security of this style automatically prevents viruses and other threats from running on your device, and you'll receive security updates automatically. For more info, see Windows 10 or 11 in S mode FAQ.

Of import security info

• Windows Security is built-in to Windows and includes an antivirus program called Microsoft Defender Antivirus. (In early versions of Windows 10, Windows Security is called Windows Defender Security Center).

• If you have some other antivirus app installed and turned on, Microsoft Defender Antivirus will plough off automatically. If you uninstall the other app, Microsoft Defender Antivirus will turn back on automatically.

• If you're having problems receiving Windows Security updates, see Fix Windows Update errors and the Windows Update FAQ.

• For info on how to uninstall an app, run into Repair or remove an app in Windows.

• To modify your user account to an admin account, run into Create a local user or administrator account in Windows.

Understand and customize Windows Security features

Windows Security is your home to manage the tools that protect your device and your data:

• Virus & threat protection - Monitor threats to your device, run scans, and get updates to help detect the latest threats. (Some of these options are unavailable if yous're running Windows 10 in S mode.)

• Business relationship protection - Access sign-in options and account settings, including Windows Hello and dynamic lock.

• Firewall & network protection - Manage firewall settings and monitor what'southward happening with your networks and internet connections.

• App & browser control - Update settings for Microsoft Defender SmartScreen to assist protect your device against potentially unsafe apps, files, sites, and downloads. You'll have exploit protection and you lot can customize protection settings for your devices.

• Device security - Review built-in security options to help protect your device from attacks by malicious software.

• Device performance & wellness - View status info well-nigh your device's performance health, and keep your device clean and up to appointment with the latest version of Windows.

• Family unit options - Go on track of your kids' online action and the devices in your household.

To customize how your device is protected with these Windows Security features select Starting time  > Settings > Update & Security > Windows Security  or select the button beneath.
Open Windows Security settings

Status icons point your level of safety:

• Greenish means there aren't whatever recommended deportment correct now.

• Yellow ways in that location is a safety recommendation for you.

• Red is a alarm that something needs your immediate attention.

Run a malware scan manually

When you're concerned virtually risks to a specific file or folder, you can right-click the file or folder in File Explorer, then select Scan with Microsoft Defender.

If you suspect there's malware or a virus on your device, you should immediately run a quick browse. This is much faster than running a full scan on all your files and folders.

Run a quick browse in Windows Security

1. Select Start > Settings > Update & Security > Windows Security and thenVirus & threat protection.
   Open Windows Security settings

2. Under Electric current threats, select Quick scan (or in early versions of Windows 10, under Threat history, select Browse at present).

If the scan doesn't find whatever issues, but you're still concerned, you may want to check your device more than thoroughly.

Run an advanced browse in Windows Security

1. SelectOffset  > Settings > Update & Security > Windows Security   and soVirus & threat protection.

2. Under Current threats, select Scan options (or in early versions of Windows 10, under Threat history, select Run a new advanced scan).

3. Select i of the scan options:

   • Full browse (check files and programs currently running on your device)

   • Custom scan (scan specific files or folders)

   • Microsoft Defender Offline scan (run this scan if your device has been, or could potentially be, infected by a virus or malware). Learn more about Microsoft Defender Offline

4. Select Browse at present.

Learn more about running an avant-garde scan

Notation:Because of streamlined security, this process isn't bachelor if you're running Windows 10 or 11 in S mode.

Schedule your own scan

Even though Windows Security is regularly scanning your device to continue it safe, you can as well set when and how frequently the scans occur.

Schedule a browse

1. Select the Beginning button, type schedule tasks in the Search box, and in the listing of results, select Job Scheduler.

2. In the left pane, select the arrow (>) side by side to Task Scheduler Library to expand information technology, do the same with Microsoft > Windows, and so scroll downwards and select the Windows Defender folder.

3. In the top-center pane, select Windows Defender Scheduled Scan. (Point to the choices to come across the full names.)

4. In the Actions pane on the right, coil down and then select Backdrop.

5. In the window that opens, select the Triggers tab, and and then select New.

6. Set your preferred time and frequency, and then select OK.

7. Review the schedule and select OK.

Annotation:Because of streamlined security, this procedure isn't bachelor if yous're running Windows 10 or eleven in S way.

Turn Microsoft Defender Antivirus real-time protection on or off

Sometimes you lot may need to briefly terminate running existent-time protection. While existent-time protection is off, files you open or download won't be scanned for threats. However, real-fourth dimension protection volition soon plow on automatically once again to protect your device.

Plough real-fourth dimension protection off temporarily

1. Select Start > Settings > Update & Security > Windows Security and thenVirus & threat protection > Manage settings. (In early on versions of Windows 10, select Virus & threat protection > Virus & threat protection settings.)
   Open Windows Security settings

2. Switch the Existent-time protection setting to Off and choose Yes to verify.

Note:Because of streamlined security, this process isn't available if you're running Windows 10 or 11 in S mode.

See also

How malware can infect your PC

Microsoft security assistance and learning

Need more help?

Source: https://support.microsoft.com/en-us/windows/stay-protected-with-windows-security-2ae0363d-0ada-c064-8b56-6a39afb6a963

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