Remove malware from your Windows PC. OneDrive (home or personal) OneDrive for Windows. 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.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page.

This update provides latest updates for Windows Security platform, which is comprised of the Windows Security app and its underlying service. To obtain the current version of Windows Security app, please run powershell command below: Get-AppPackage Microsoft.SecHealthUI.

PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check. In Windows, use Search on the taskbar to ...

According to National Public Data, a malicious actor gained access to their systems in December 2023 and leaked sensitive data onto the dark web from April 2024 to the summer of 2024. This data contained the following details: Full names. Social Security Numbers. Mailing addresses. Email addresses. Phone numbers .

Download Microsoft Defender on your devices either by: Scanning the following QR code. Searching for Microsoft Defender in your app store. Sharing with your devices, the following link: Copy link. We encourage you to install Microsoft Defender on at least five devices per person.

Storage Sense can automatically free up drive space for you by getting rid of items that you don't need, like temporary files and items in your Recycle Bin. Here’s more info on how it works and how to set it up to meet your needs.

You can use the Wilogutl.exe tool to analyze log files from a Windows Installer installation. This tool may suggest solutions to errors that are found in a log file. It is available in the latest Windows Software Development Kit. The following is an example of how to use the Wilogutl.exe tool at a command line:

Use the /safe option to open an Office application. If you can't start a Microsoft Office application in Office Safe Mode or you have recurring problems opening applications in normal mode, you can try to repair Office.