Cast to a display from a Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

Back up your BitLocker recovery key. Device encryption in Windows. Recovery options in Windows. Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.

If you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out, here are some solutions.

You can link your social media account in one of two ways: Use the Xbox mobile app to scan the QR code. Select the Link option which will launch the Microsoft Edge app on Xbox. You can choose to link your Discord, Reddit, Steam, Twitch, or other social media account.

Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Fix Bluetooth problems in Windows. If you run into problems trying to connect to a Bluetooth device, here are some troubleshooting steps to try. Note: For general info about how to connect a Bluetooth device to your PC, see Pair a Bluetooth device in Windows.

Ways to install Windows 11. Windows help & learning. Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.

An attacker who successfully exploited the vulnerability might bypass secure boot and load untrusted software. This security update addresses the vulnerability by adding the signatures of the known vulnerable UEFI modules to the DBX. To learn more about this security vulnerability, see CVE-2020-0689 | Microsoft Secure Boot Security Feature ...

Windows Hello. Windows Hello lets you sign in to your devices, apps, online services, and networks using your face, iris, fingerprint, or a PIN. Even if your Windows device can use Windows Hello biometrics, you don’t have to. If it’s the right choice for you, you can rest assured that the info that identifies your face, iris, or fingerprint ...