完全关闭电脑 若要关闭，请选择" 开始"， 然后选择" 电源 > 关闭"。 睡眠 睡眠使用非常少的电源，你的电脑启动速度更快，你可以立即返回到你离开的地方。 不必担心因电池耗尽而丢失工作，因为如果电量不足，Windows自动保存所有工作并关闭电脑。

Find out how to boot into safe mode in Windows from Settings, the sign-in screen, and a black or blank screen.

Переустановите Microsoft 365 Если Microsoft 365 уже был изначально установлен и вам необходимо переустановить его на том же или новом устройстве, у вас уже должна быть учетная запись Майкрософт, связанная с вашей копией Microsoft 365.

Before you begin filling out the form. The steps below will help guide you when filling out the account recovery form. It can be a lengthy process as it's designed to ask questions about your account that only you can answer.

Learn how to use function VLOOKUP in Excel to find data in a table or range by row. Our step-by-step guide makes vlookup in excel easy and efficient.

注意: 如果数据位于 Excel 表中，则“转置”功能不可用。您可以 将 表格 转换为区域 中首先，或可以使用 TRANSPOSE 函数 旋转的行和列。

Learn how to uninstall Office from a PC using the Control Panel or with the uninstall support tool.

Aktualisieren von Surface-Geräte und Windows. Laden Sie die neuesten Treiber und Firmware-Updates herunter, damit Ihre Surface-Geräte optimal funktionieren.

Things to try to fix touchpad problems in Windows 10 and 11. If your touchpad isn’t working, it may be a result of a missing or out-of-date driver.

Find your files in Windows 11 using one of these methods. Search from the taskbar: Type the name of a document (or a keyword from it) into the search box on the taskbar.You'll see results for documents across your PC and OneDrive.