Describes how to obtain the latest version of DirectX to enable games and multimedia applications on your system.

If you’re experiencing network or website connectivity issues, the Hosts file may be part of the problem. This article explains what the Hosts file is, how it works, and why resetting it to the default state can resolve common connection issues. What's the Hosts file The Hosts file is a plain‑text system file used by the operating system to map human‑friendly hostnames (such as contoso ...

The old OneDrive sync app (Groove.exe) has a blue cloud with white outlining as shown below. If you see different icons as shown below, you have the new OneDrive app and don't have to update the app. If the icon doesn't appear in the notification area, OneDrive might not be running.

Describes how to use the Regsvr32 tool to register and unregister OLE controls. Also describes the error messages that may occur and what they mean.

Find out which version of DirectX is on your computer so you can help your game or multimedia software to work properly.

Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.

Provides links to the uninstall tools and directions for many security programs.

Learn how to troubleshoot problems updating Windows. Find answers to common questions and issues installing Windows updates.

Learn how to use Manage and Optimize Drives to keep your disk and data drives defragmented and at top performance in Windows.