Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

Tip: If you've already set up speech recognition, pressing Windows key +Ctrl+S opens speech recognition and you're ready to use it. If you want to retrain your computer to recognize your voice, press the Windows key, type Control Panel, and select Control Panel in the list of results. In Control Panel, select Ease of Access > Speech Recognition > Train your computer to better understand you.

The following steps describe how to uninstall Microsoft 365 products on a PC (laptop, desktop, or 2-in-1). For Mac, see Uninstall Office for Mac.

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

If your computer is showing a black or blank screen in Windows, these troubleshooting tips could help get your system back up and running.

Windows includes a tool called Microsoft System Information (Msinfo32.exe). This tool gathers information about your computer and displays a comprehensive view of your hardware, system components, and software environment, which you can use to diagnose computer issues.

Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Summary Your Windows device may run slowly for several reasons, such as limited storage space, too many startup apps running in the background, outdated software, or hardware that no longer meets modern performance needs. To help diagnose and resolve many of these issues, you can use the Microsoft PC Manager app, which provides tools to clean up storage, manage startup apps, and optimize ...

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