了解如何在电脑上创建 OneDrive 备份。 设置 OneDrive 电脑文件夹备份以访问、管理、停止或修复电脑文件夹备份的问题。 若要开始备份文件夹，请切换显示 “未备份”的任何文件夹，然后选择“ 保存更改”。 若要停止备份文件夹，请选择文件夹的切换开关将其关闭。

Select Add a keyboard and choose the keyboard you want to add. If you don't see the keyboard you want, you may have to add a new language to get additional options. If this is the case, go on to step 4.

To create the installation media, here's what you'll need: A PC with a reliable internet connection. The download time will vary, depending on your internet connection.

可以向 幻灯片母版 添加 (有时为透明且称为 水印) 的图像，使其显示在演示文稿的每张幻灯片上。例如，你可能有一个想要包含在每张幻灯片上的公司徽标。 将图像应用于所有幻灯片 在“视图”选项卡上，单击“幻灯片母版”。

详细了解有关 Windows 10 版本 21H2 的更新，包括改进和修复、任何已知问题以及如何获取更新。 Windows 10 版本 20H2 和 Windows Server 版本 20H2 更新历史记录 终止服务声明 2023 年 5 月 9 日 - KB5026361（OS 内部版本 19042.2965、19044.

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.

If you're running Windows 8.1 or earlier, or if your PC doesn't meet the minimum system requirements to run Windows 11, consider moving to a new Windows 11 device. Find a PC that meets your needs. Set up your Microsoft account to transfer files and favorites. One account connects your device across Microsoft apps and services like Microsoft 365, OneDrive, Edge, and Microsoft Store.

Select Options and choose a label vendor and product to use. Select OK.. If you don’t see your product number, select New Label and configure a custom label.

Find out how to free up space on your device by deleting unnecessary files, uninstalling apps, and moving files to other drives.

Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.