Use Find my device to locate and lock your lost or stolen Windows devices.

Summary. Microsoft Update Health Tools is offered to devices through Windows Update as update KB4023057. This update is applicable for both Windows consumer and commercial devices, with a slightly different purpose and functionality.

可通过不同的方式删除应用和程序，因此如果找不到要查找的应用和程序，可以尝试另一个位置。 请注意，某些应用和程序内置于 Windows 中，无法卸载。

了解如何创建用于安装或重新安装 Windows 7、Windows 8.1 或 Windows 10 的安装介质。

Learn how to design professional-looking presentations with Microsoft 365. Create high quality, customized slides in a few clicks with PowerPoint Designer.

Learn how to fix Outlook.com email sync issues if you can't receive or send messages.

Learn how to set up a connection to a proxy server on your Windows PC.

Learn how to use Narrator, a screen-reading app built into Windows, with this complete guide and how-to articles.

This content can help you with your work or school account, which is the account provided to you by your organization (for example, dritan@contoso.com).

Keeping leading zeros and large numbers in Excel. Use a custom format to keep the leading zeros. If you want to resolve the issue just within the workbook because it's not used by other programs as a data source, you can use a custom or a special format to keep the leading zeros.