Learn how to protect your PC, identity, and data from tech support scams.

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

The virus and threat protection page of the Windows Security app is designed to help you safeguard your device against various threats such as viruses, malware, and ransomware. The page provides access to several features and settings to ensure comprehensive protection, and it's divided in the following sections: Current threats: This section displays any threats currently found on your device ...

Microsoft is retiring the Windows legacy inbox Troubleshooters, such as Keyboard troubleshooter and Speech troubleshooter, and the Microsoft Support Diagnostic Tool (MSDT) that runs them. The legacy inbox Windows Troubleshooters are built-in tools that, when launched, automatically diagnose and correct common problems for a variety of Windows features. MSDT Troubleshooters will be deprecated ...

Learn how to use Snipping Tool to capture a screenshot, or snip, of any object on your screen, and then annotate, save, or share the image.

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows.

Windows uses Delivery Optimization, a cloud-based downloader, to download Windows Updates, apps from the Store, and other Microsoft products. To get these files onto your PC quickly and reliably, Delivery Optimization identifies the best source for your download and dynamically optimizes how much bandwidth your PC uses in the process. As always, you decide whether you want Delivery ...

Learn how to use drag and drop to transfer content between your Android device and PC.

Windows 10 support ends on October 14, 2025. Upgrade to Windows 11 now to ensure continued security and feature updates. Learn more about the transition.

The instructions on this page apply only to Surface Thunderbolt™ 4 Dock, Surface Dock 2, and Surface Dock. If you have a different dock for Surface, you can’t update it using this software. If you aren't sure which Surface Dock you have, you can Identify your Surface Dock and features and then check the appropriate steps to update. For Surface Thunderbolt™ 4 Dock For Surface Dock 2 For ...