了解如何获取最新的 Windows 更新，以确保设备顺利且安全地运行。

瞭解如何在行動裝置、Windows 裝置或 Xbox 主機上兌換 Microsoft/Xbox 禮品卡或其他代碼。.

Microsoft .NET Framework 4.8 is a highly compatible and in-place update to .NET Framework 4.7, 4.7.1 and 4.7.2. However, it can run side-by-side with .NET Framework 3.5 Service Pack 1 (SP1) and earlier versions of .NET Framework.

了解如何在任何 Xbox One 或 Xbox Series X|S 主机上添加或删除 Xbox 档案。.

了解如何在从云中玩 Xbox 游戏时修复网络、音频/视频和控制器问题。.

קבל תמיכה עבור פרטיות ואבטחה ב- Skype עבור ה- Skype עבור Linux שלך והישאר מחובר לחברים ולמשפחה בכל מקום שתהיה.

If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription. Tip: Get tech expertise with Business Assist.

Saa Skype-tukea aiheesta Muut Uuden Skype Windows-, Mac- ja Linux-versiossa ja pidä yhteyttä kavereihin ja perheenjäseniin missä tahansa.

了解如何修复错误 80151103，以便可以在 Xbox 360 上下载您的 Xbox Live 档案。.

If you can't sign into your Microsoft account, use our guided tool below to help you find the correct solution. Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.