Provides links to Web sites that describe the Windows Defender definition updates.

Find details about new and updated features and functionality for the Xbox app on PC.

Describes the process by which updated anti-malware files are deployed by Microsoft Antivirus Products. This process uses a file-copy operation. This file-copy operation is described here in great detail.

The MpAvBase.vdm file contains the antivirus base definition module. This file is usually updated only one time per month by Microsoft and contains the base virus information that is used to build the delta definitions.

Download the drivers for the desired device from the device manufacturer's site. Make sure to download the correct drivers that match the version and architecture of Windows. Once downloaded, if necessary, uncompress the downloaded drivers. Make a note of where the drivers are located on the Windows device.

Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

Describes monthly updates that improve the Windows Defender baseline engines and signatures in Windows 8 or Windows 8.1 OEM disk images.

Learn how to check for the latest Windows Updates and install them to keep your device running smoothly and securely.

Learn about system updates for the Xbox operating system and find out what was updated or added in 2024.

Each Surface device is eligible to receive new driver and firmware updates until its end-of-servicing date listed in Surface devices driver and firmware lifecycle for Windows-based devices. You can quickly check the health of your Surface drivers and firmware using the Surface app. Open the Surface app.