Learn how to enable virtualization through the UEFI (or BIOS) of your PC to run the Windows Subsystem for Android or Windows Subsystem for Linux.

If the steps above don't work, you may need to reinstall Windows. For more info, see Windows 10 recovery options. Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

The following files are available for download: For 32-bit x86-based systems: Download the x86 MSRT package now. For 64-bit x64-based systems: Download the x64 MSRT package now. Deployment overview. The tool can be deployed in an enterprise environment to enhance existing protection and as part of a defense-in-depth strategy.

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.

Go to Start > Settings > Apps > Startup. Open Startup settings. For any app in the list, select the toggle to set it to On. If you want to change the advanced settings for that app, select the arrow and make changes as desired.

Windows 7. Windows 8.1. Windows 10 (Then select Download now.) Windows 11 (Then select Download now .) Important: Back up your files before you install or reinstall Windows on your PC. Learn how. To create the installation media, here's what you'll need: A PC with a reliable internet connection.

Download and install or reinstall Office 2019, Office 2016, or Office 2013 - Microsoft Support. Office 2019 Office 2016 Office 2016 for Mac Office 2013. If this is the first time you're installing Microsoft 365 you may have some setup steps to do first. Expand the learn more section below.

Refunds for digital games include Microsoft Store digital game offers, Xbox apps (excluding movies and TV apps), digital gaming bundle offers, digital game durable content, and some digital game consumable content, whether made available through the Xbox console, on your PC, or on your mobile device.

Windows 10. Select the Start button and scroll to find the app you want to run at startup. Right-click the app, select More, and then select Open file location. This opens the location where the shortcut to the app is saved. If there isn't an option for Open file location, it means the app can't run at startup.

Select Update Driver. If Windows doesn't find a new driver, you can try looking for one on the device manufacturer's website and follow their instructions. Reinstall the device driver. In the search box on the taskbar, enter device manager, then select Device Manager.