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It's a good idea to create a recovery drive. That way, if your PC ever experiences a major issue such as hardware failure, you'll be able to use the recovery drive to reinstall Windows 11. Windows updates to improve security and PC performance periodically, so we recommend you recreate the recovery drive annually.

If you encrypt an Outlook message that contains voting buttons, message recipients won't be able to see them. That feature isn't supported at this time. Create an email message or reply to or forward a message that you received. On the Options tab, in the Tracking group, click Use Voting Buttons.

A Windows product key is a 25-character code used to activate Windows. It looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. Locate your product key for Windows 10 or Windows 11.

Register the password reset verification method for a work or school account. If you forgot your work or school password, never got a password from your organization, or have been locked out of your account, you can use your security info and your mobile device to reset your work or school password. Your administrator must turn on this feature ...

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Fixing the Secure Boot bypass described in CVE-2023-24932 requires revoking boot managers. This could cause issues for some device boot configurations. Mitigations against the Secure Boot bypass detailed in CVE-2023-24932 are included in the Windows security updates that were released on or after July 9, 2024.

An upgrade moves your PC from a previous version of Windows—such as Windows 7 or Windows 8.1—to Windows 10. An upgrade can take place on your existing device, though Microsoft recommends using Windows 10 on a new PC to take advantage of the latest features and security improvements.

In addition to diagnostic checks, there is a push-button simple way to check upgrade eligibility for Windows 11. Once Windows 11 is released, Windows Update will also offer a way to assess upgrade eligibility. You will be able to access this from Settings > Update & Security .

Google Play 商店在中国不可用，因此只能从以下商店下载Microsoft Authenticator：. 百度. 联想. 华为. Samsung. 注意: 我们会尽量使所有应用商店版本保持最新状态，但Microsoft不对其他网站上提供的版本负责。. 未在中国使用 Authenticator？. 可以从 Google Play 商店 下载并安装 ...