Microsoft Defender Antivirus is a powerful tool that finds and removes malware from your PC. Here's how to use it in Windows 10 or 11 to scan your PC. Important: Before you use Microsoft Defender Offline, make sure to save any open files and close apps and programs. Open your Windows Security settings.

The Windows Malicious Software Removal Tool (MSRT) helps remove malicious software from computers that are running any of the following operating systems: Windows 10. Windows Server 2019. Windows Server 2016. Windows 8.1. Windows Server 2012 R2. Windows Server 2008 R2. Windows 7. Windows Server 2008.

Manually archive email messages, contacts, and other items to an Outlook for Mac Data File (.olm) to easily reduce your inbox size. You can save an .olm file to any location on your Mac or on a different machine for safekeeping.

From the Overview page, select Office apps and on that page, find the Microsoft 365 product you want to install and select Install. To install Microsoft 365 in a different language, or to install the 64-bit version, use the dropdown to find more options. Choose the language and bit version you want, and then select Install.

To repair the corrupted files manually, view details of the System File Checker process to find the corrupted file, and then manually replace the corrupted file with a known good copy of the file. Windows 8.1 or Windows 8. Windows 10, Windows 7, or Windows Vista. More Information.

Action: Remove, Result: 0x00000000 regkey://HKLM\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\\v5mpn runkey://HKLM\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\\v5mpn file://c:\temp\mpncleantest.exe SigSeq: 0x00002267735A46E2 Results Summary: ----- Found Virus:Win32/MPnTestFile.2004 and Removed!

Open the x64 folder in the installation root, and then double-click setup.exe. When prompted, enter the product key. If you can't find it, see Find your product key for Office 2010. Read and accept the Microsoft Software License terms, and then click Continue.

Select Device details. Select Manage in Windows Security. Select Quick scan. Tips: If you want a deeper scan, instead of selecting Quick scan in step 3, select Scan options and choose the type of scan you want. For the most complete scan, run Microsoft Defender Offline. For more about that see Help protect my PC with Microsoft Defender Offline.

Using anti-malware on your device. Microsoft Defender's real-time anti-malware protection runs whenever your device is on, keeping an eye out for malicious activity. Microsoft Defender will also run quick scans of your device on a daily basis, in case anything manages to elude the real-time protection. If it spots something it will attempt to ...

Microsoft 365 for business If your business subscription plan includes the desktop version of the Microsoft 365 apps you won't see an option to install it unless someone in your organization assigned a license to you.. Learn how to check this in What Microsoft 365 business product or license do I have? or if you're a Microsoft 365 admin responsible for assigning licenses to people in your ...