If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

Your PIN is securely stored on your device, it isn’t transmitted anywhere, and it isn’t stored on a server. This makes it more secure than a traditional password. If you want to change your PIN, or need to reset it, you have different options.

Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter.

Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page.

Refunds for digital games include Microsoft Store digital game offers, Xbox apps (excluding movies and TV apps), digital gaming bundle offers, digital game durable content, and some digital game consumable content, whether made available through the Xbox console, on your PC, or on your mobile device.

Symptom. New Windows 11, version 24H2 devices that are intended to be onboarded to Microsoft Defender for Endpoint might require customers to enable the prerequisite feature. This affects all supported architectures.

If your device isn’t up to date or needs attention, PC Health Check will let you know. Use this section of PC Health Check to get info on how your batteries are performing compared to their original capacity for devices with one or two batteries.

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.

Need more help? Describes how to troubleshoot problems that occur when you install, uninstall, or upgrade a program on a Windows-based computer by using Windows Installer.