What if I can't find the recovery key? If your device is managed by an organization, check with your IT department to retrieve the recovery key. If you can’t find the BitLocker recovery key and are unable to undo any changes that caused it to be needed, you’ll have to reset your device using one of the Windows recovery options. Resetting your device will remove all of your files.

Summary Resetting your PC in Windows is a powerful feature that allows you to restore your device to its original state, which can be useful whether you're experiencing performance issues, software problems, or simply want a fresh start. This feature is designed to be user-friendly and provides several options to suit different needs. Before you reset your PC Resetting your PC reinstalls ...

Learn how to install Office 2021, 2019, or 2016 on your PC or Mac.

Installation media, such as a USB flash drive, can be used to install a new copy of Windows, perform a clean installation of Windows, or reinstall Windows. To create installation media, go to the software download website, where step-by-step instructions can be found. On that website, you can select a version of Windows and create installation media on a USB flash. Alternatively, an ISO file ...

How to create or edit your Outlook signature for email messages. Include your signature, text, images, electronic business card, and logo.

iOS Android To install Authenticator on your iOS device Scan the QR code or download and install Authenticator from the Apple app store.

Get the steps for changing your home page in Microsoft Edge, Internet Explorer 11, Google Chrome, Firefox, and Safari.

此累积更新适用于 Windows 11 版本 25H2 和 24H2 (KB5077181) ，包括最新的安全修补程序和改进，以及上个月可选预览版的非安全更新。 若要详细了解安全更新、可选非安全预览更新、带外 (OOB) 更新和持续创新之间的差异，请参阅 Windows 月度更新说明。 有关 Windows 更新术语的信息，请参阅不同类型的 Windows ...

Article about changes to Cortana skills Important: Cortana in Windows as a standalone app is deprecated. To learn about support for Cortana in Teams, as well as new and exciting ways to get help with your email, calendar, and tasks, see End of support for Cortana in Windows and Teams

手机连接允许将 Android 或 iPhone 连接到 Windows 电脑，从而可以直接在计算机上访问许多手机功能。 你可以轻松地阅读和回复短信、查看移动设备中的最近照片、使用喜欢的移动应用、拨打和接听电话，以及从电脑上的移动设备管理通知。