你还可以找到有关版本和所有已知问题的详细信息。 安装最近的更新可确保你同时获得可能错过的任何先前更新，包括任何重要的安全修复。 有关更新及其获取方式的详细信息，请参阅： Windows 11概述 - Windows 中的新增功能. Windows 11规范. Windows 11版本 22H2 的新增 ...

Hotmail está ahora Outlook.com. Aprenda a iniciar sesión para acceder a su cuenta de correo electrónico de Outlook.com, Hotmail, Live o MSN.

If you’re working on a Windows PC and want the apps and content from another device to show on your PC screen, you’ll want to consider mirroring that device‘s screen or projecting it to your PC.

注意: 如果你拥有的是套件，如 Microsoft 365 家庭版、Office 家庭和学生版 2016 或 Office 家庭和学生版 2013，请搜索套件名称，即便你只想修复 Word 或 Excel 等特定应用程序。如果你拥有的是独立应用程序，如 Word 或者 Excel，请搜索应用程序名称。

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Learn how to find and change settings in Windows. Find your Windows settings in a snap! Select the Start button, then select Settings .From there, browse the categories or use search to find what you're looking for.

Learn how to install Windows 11, including the recommended option of visiting the Windows Update page in Settings.

Try these solutions 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.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Update Surface devices and Windows. Download the latest drivers and firmware updates to keep your Surface devices performing their best.