Enable and disable your touchscreen in Windows 10. In the search box on the taskbar, type device manager, then select Device Manager.

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

We recommend always having the latest version of Windows installed to make sure you get the best experience with the Phone Link .

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

Troubleshoot issues that occur when setting up external monitors. If you are trying to set up an external monitor and it’s not working, press the Windows logo key + P to make sure that the Extend option is selected. If the Extend option is selected, try the following troubleshooting tips.

Find your files in Windows 11 using one of these methods. Search from the taskbar: Type the name of a document (or a keyword from it) into the search box on the taskbar.You'll see results for documents across your PC and OneDrive.

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.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

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.

Update Surface devices and Windows. Download the latest drivers and firmware updates to keep your Surface devices performing their best.