为什么需要验证码？ 当你登录到你的 Microsoft 帐户时，我们可能会要求提供其他证明，证明确实是你的帐户。 最多可以添加 10 种不同的方法来验证登录，并且可以选择：

There are a few common scenarios in which Windows running on a PC might be discovered to be non-genuine during validation. Repairs. If your PC has been repaired, you might start to see messages on your desktop that Windows isn't genuine.

Windows 许可证与你的设备硬件相关联。 如果进行了重大硬件更改，例如更换主板，则下次启动设备时，Windows 将无法找到匹配的许可证。 如果 Windows 已预装在设备上，那么在进行更换主板之类的更改后，需要提供新的许可证。

在主机背面的标签上（Xbox One 主机底部）。 在你的设置中，选择“档案和系统”>“设置”>“系统”>“主机信息”。序列号在显示列表中显示为第一个。

使用文件共享、云服务或其他解决方案发送大型文件，以便在 Outlook 中解决文件大小限制。

正版 Windows 由 Microsoft 发布，并由 Microsoft 或值得信赖的合作伙伴授予相应许可并提供支持。 你需要正版 Windows 才能访问可选的更新和下载，以帮助你充分利用电脑。

Microsoft generally releases the MSRT on a monthly cadence as part of Windows Update or as a standalone tool. (For exceptions, see Skipped releases.)Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families).For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.

If the order status is Canceled or Refunded, you no longer own the game or game add-on, and you won’t be able to start or play it.You can re-purchase the content if you still want to own it. If you don’t see the game or game add-on in your order history, search for it in Microsoft Store.

After you turn on two-step verification or set up the Authenticator app, you may run into issues if you use older devices (like Xbox 360 or a mail-sending security camera) that don't support two-step verification. For those devices, you can sign in with an app password instead. An app password is a long, randomly generated password that you provide only once instead of your regular password ...

若要捕获视频截图，请打开“截图工具”，选择“ 录制 ”按钮，然后选择“ 新建录制”，或按 Windows 徽标键 + Shift + R。选择要录制的屏幕区域，然后选择“ 开始”。完成后，选择“ 停止”。此时，可以按原样保存录制内容，或在 Clipchamp 视频编辑器中选择“在 Clipchamp 中编辑 ”以使用录制内容。