Find your Windows product key - Microsoft Support
Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.
Applies To:
Microsoft account dashboard
Download Microsoft Authenticator - Microsoft Support
The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.
Ways to install Windows 11 - Microsoft Support
Create Windows 11 installation media. On the Windows 11 software download page , select Create tool now and follow the instructions to install Windows 11. Warning: Microsoft recommends against installing Windows 11 on a device that does not meet the Windows 11 minimum system requirements.
Avoid and report Microsoft technical support scams
Report a scam. If you feel like you’ve been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it. Learn more about avoiding technical support scams.
使用 Xbox 主机或 Windows 设备时发生 0x80070490 或 80070490 错误
解决方案 2：重置主机. 注意 此步骤仅适用于 Xbox 主机。. 不适用于 Windows 设备。. 有关如何重置主机的步骤，请转到：. 如何将 Xbox 主机重置为出厂时的默认设置. 如果可以通过按 Xbox 按钮 来访问指南，请按照“使用您的主机重置”部分中的步骤进行操作。. 如果 ...
Windows Update Troubleshooter - Microsoft Support
Check for Windows updates. Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
Create a form in Word that users can complete or print
In Word, you can create a form that others can fill out and save or print. To do this, you will start with baseline content in a document, potentially via a form template. Then you can add content controls for elements such as check boxes, text boxes, date pickers, and drop-down lists.
Applies To:
Word for Microsoft 365, Word for Microsoft 365 for Mac, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016
Reset or recover your lost Microsoft account password
Follow these steps to reset your Microsoft account password. If you know the email address that you used to set up your Microsoft account (which is used to sign in to your Xbox profile), you can reset your password now: Go to Reset your password and enter your email address.
KB5015684: Featured update to Windows 10, version 22H2 by using an ...
The enablement package is a great option for installing a scoped feature update like Windows 10, version 22H2 as it enables an update from version 2004, 20H2, 21H1, or 21H2 to version 22H2 with a single restart, reducing update downtime. This enables devices to take advantage of new features now.
你尝试在 Xbox One 或 Windows 10 设备上安装某游戏时，出现 0x80073CF3 错误
你尝试在 Xbox One 主机或 Windows 10 设备上下载和安装某游戏时，看到以下错误代码和消息：. 0x80073CF3. 请等待几分钟，然后重试。. 更新失败。. 这说明你的主机或 Windows 10 设备上已存在该游戏的现有版本。.