Create a system restore point - Microsoft Support
In the search box on the taskbar, type Create a restore point, and select it from the list of results.
Update Windows - Microsoft Support
Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.
Find your Windows product key - Microsoft Support
Learn how to find your Windows product key for activation or when to use a digital license instead.
适用于:
Microsoft 帐户仪表板
Tải xuống và cài đặt hoặc cài đặt lại Office 2019, Office 2016 ...
Lưu ý: Các bước cài đặt các phiên bản 2019, 2016 hoặc 2013 của Office Professional Plus, Office Standard hoặc một ứng dụng độc lập như Word hoặc Project có thể khác nhau nếu bạn có Microsoft 365 thông qua một trong các mục sau:Chương trình Giảm giá Nơi làm việc của Microsoft(trước đây gọi là Chương trình Sử dụng tại ...
适用于:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Wiederherstellen verlorener oder gelöschter Dateien
Wenn Sie eine Datei nicht finden können oder eine Datei versehentlich geändert oder gelöscht haben, können Sie sie aus einer Sicherung (falls Sie Windows-Sicherung verwenden) oder aus einer Vorgängerversion wiederherstellen. Vorgängerversionen sind Kopien von Dateien und Ordnern, die Windows automatisch im Rahmen eines Wiederherstellungspunkts speichert.
Can't sign in to OneDrive - Microsoft Support
When OneDrive Setup starts, enter your personal account, or your work or school account, and then select Sign in.
适用于:
OneDrive for Business, OneDrive (工作或学校), OneDrive (家庭或个人), 由世纪互联运营的 OneDrive (工作或学校), OneDrive for Mac, Windows 版 OneDrive
Manage website notifications in Microsoft Edge
How to stop website notifications in Microsoft Edge. You can remove or block notifications for individual websites in the following ways: Remove or block notifications in Edge settings
适用于:
Microsoft 帐户仪表板
Open the Start menu - Microsoft Support
To open the Start menu—which contains all your apps, settings, and files—you can do any of the following: On the center or left end of the taskbar, select the Start icon.
关闭电脑，或使其进入睡眠或休眠状态 - Microsoft 支持
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。
Keyboard shortcuts in Microsoft Edge - Microsoft Support
Press this key. To do this. Command + Shift + B. Show or hide the favorites bar. Command + Shift + C . Open Developer tools. Command + D. Save your current tab as a favorite. Command + Shift + D. Save all open tabs as favorites in a new folder