Xbox Support ... Xbox Support

Learn how to download new text-to-speech language and voices in Windows for Immersive Reader, Read Mode, and Read Aloud.

Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...

Microsoft Support

Microsoft Support

If you’re tired of having to remember or reset your password, try using a FIDO2–compliant security key to sign in to your Microsoft account instead. What is a security key? A security key is a physical device that you can use instead of your user name and password to sign in. Since it needs to be unlocked with a fingerprint or PIN, even if someone has your security key, they won’t be ...

Download and install Microsoft Authenticator app Download and install the Microsoft Authenticator app for Android, iOS or Windows Phone. Set up the Microsoft Authenticator app Choose the mobile app Open a browser on your computer and go to portal.office.com. Sign in to your Office 365 for business account.

相容性 Xbox 無線耳機以無線連線方式與 Xbox Series X|S 和 Xbox One 主機連線 (與主機的配對方式與 Xbox 無線控制器相同)。 也可以透過藍牙將耳機連線到 Windows、Android 和 iOS 裝置。 Xbox 無線耳機與空間音效技術，包括 Windows Sonic、Dolby Atmos 和 DTS Headphone:X 相容。

Learn how to set up Xbox Cloud Gaming on your Android phone or tablet. Includes steps for installing the Xbox app, using invite links, and streaming games with Game Pass Ultimate.

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.