Learn how to extend your PC's battery life using battery saver and other power-saving tips for Windows.

Splits text strings by using column and row delimiters. The TEXTSPLIT function works the same as the Text-to-Columns wizard, but in formula form.It allows you to split across columns or down by rows.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

Smart charging will be paused and allow a full battery charge until your Surface needs to turn it on again. It may take several days before smart charging turns on again and limits your battery capacity to 80%.

You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.

How to use conditional formatting in Excel to visually explore, analyze, and identify patterns and trends.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

See how to arrange all your open windows using the mouse, keyboard, or the Snap Assist feature in Windows.

Change your screen saver settings. Select the Start button, then go to Settings > Personalization > Lock screen, and select Screen saver settings.In the Screen Saver Settings window, choose a screen saver from the drop-down list.

We’re continually releasing updates to our application, based on customer feedback. Check out What's New in the latest updates for Skype on desktop and mobile.