Before you start. Check these things before you start troubleshooting Bluetooth on your device: Check your product information. If you’re setting up a new device and Bluetooth is missing, check the product specifications to make sure it has Bluetooth capabilities.

Note: the website or application you're trying to sign into must support passkeys in order for them to work.The good news is that the industry is quickly adopting passkeys as an authentication mechanism, so more and more websites and applications are beginning to offer this feature.

The Windows Scan app can help you scan pictures or documents and save them to your PC as JPEG, bitmap, or PNG files. For more info, see Install and use a scanner in Windows.. Get Windows Scan

Tip: If Microsoft Defender is successfully installed and running, you'll see its icon on the title bar near the clock at the top right. Share your security status with family organizers If you're part of a Microsoft 365 Family subscription the last step is to decide if you'd like to share your security status with your family organizers.

借助提示和资源自行进行疑难解答以解决 Windows 蓝屏错误；如果你需要更多帮助，请联系 Microsoft 支持。 如果某个严重问题导致 Windows 意外关闭或重启，则会出现蓝屏错误（有时也称为黑屏错误或终止代码错误）。

To check activation status in Windows 11, select the Start button, and then select Settings > System and then select Activation .. Your activation status will be listed next to Activation.. Check activation status in Settings. You'll see one of these activation status messages on the Activation page:

다른 사용자가 사용자의 계정으로 가져오는 하려는 경우에 Microsoft 특이한 로그인 활동에 대해 Microsoft는 항상 주의를 기울입니다. 새로운 장소로 여행 중이거나 새 장치를 사용하는 사용자의 경우, Microsoft에서 사용자 본인 여부를 확인하기 위한 질문을 할 수 있습니다.

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

Safe mode starts Windows in a basic state, using a limited set of files and drivers. If a problem doesn't happen in safe mode, this means that default settings and basic device drivers aren't causing the issue.

If you don't have a desktop PC and the slider doesn't appear or work, try updating the display driver. Select Search on the taskbar, type Device Manager, and then select Device Manager from the list of results.In Device Manager, select Display adapters, then select the display adapter.Press and hold (or right-click) the display adapter name, then select Update driver and follow the instructions.