Learn how to redeem a Microsoft/Xbox gift card or other code on your mobile device, Windows device, or Xbox console.

The new Bing is now available to everybody directly from the Windows taskbar, making more ways to interact with your PC across search, answers, chat, and creation available anytime, right on your desktop.

The IFS function checks whether one or more conditions are met and returns a value that corresponds to the first TRUE condition. IFS will allow you to include up to 127 pairs of conditions (the test if something is True and the result if something is true). IFS can take the place of multiple nested IF statements.

Learn about adaptive brightness and contrast in Windows 11 and how to turn it on or off.

通过使用一组有限的文件和驱动程序，安全模式可使 Windows 在基本状态下启动。 如果在安全模式下没有出现问题，你就会知道默认设置和基本设备驱动程序不是导致此问题的原因。

How to change your product key to fix activation errors that can occur if you own and install multiple one-time purchases of Office..

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We're committed to delivering continuous innovation by releasing new features and enhancements into Windows 11 more frequently. Windows devices get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR). ...

Learn about certificate errors in Internet Explorer: what they are, what they mean, and what you should do about them.

Resetting Microsoft OneDrive can sometimes resolve sync issues. Follow the steps to reset your OneDrive.