Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot securely if not updated in time. To avoid disruption, we recommend reviewing the guidance and taking action to update certificates in advance. For details and ...

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

Learn how to identify and open encrypted and protected emails no matter what email client you're using.

Find help and support content for Microsoft Phone Link. Learn time-saving tips and explore how you can use Phone Link to stay productive.

Delta Ring (2602.260210-2200) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Delta ring today. Continue reading below to learn all about what's included with this update.

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Download Microsoft Authenticator Microsoft Authenticator is a mobile app that helps you sign in to all your accounts without using a password.