If you changed your hardware in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.

Discover how to use Microsoft Phone Link to connect your Android or iPhone to your PC for seamless access to notifications, calls, and apps.

如何将 IF 函数 (与 Excel 中) AND、OR 和 NOT 函数结合使用，以在给定值之间进行逻辑比较。

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Download the latest Windows update from the Windows Update page in Settings for your device when it becomes available.

Create a recovery drive so you can reinstall Windows 10 or Windows 11 in case you experience a major issue such as hardware failure.

Learn how to install Office 2013 on your PC or Office for Mac 2011.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Learn how to recover files that have been lost, deleted, or accidentally changed.

Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.