使用 Microsoft 登录
登录或创建帐户。
你好,
使用其他帐户。
你有多个帐户
选择要登录的帐户。
Erstellen eines Systemwiederherstellungspunkts - Microsoft-Support
Windows 10. Geben Sie in das Suchfeld auf der Taskleiste Wiederherstellungspunkt erstellen ein, und wählen Sie diesen aus der Liste der Ergebnisse aus. Wählen Sie im Dialogfeld Systemeigenschaften auf der Registerkarte Computerschutz die Option Erstellen aus. Geben Sie eine Beschreibung für den Wiederherstellungspunkt ein, und wählen Sie ...
Install the latest updates for Windows - Microsoft Support
Windows 11 automatically downloads and installs updates to make sure your device is secure and up to date. This means you receive the latest fixes and security updates, helping your device run efficiently and stay protected. To check for updates manually, select Start > Settings > Windows Update . Check for updates.
Add a calendar in Outlook.com or Outlook on the web
If the calendar you're looking for isn't available by following the instructions below, see Import or subscribe to a calendar in Outlook.com for help adding other calendars. After you've added a calendar, you can go to your calendar list and change the color, add a charm, or rename it by using the More menu next to the calendar.
适用于: Outlook.com
Windows keyboard shortcuts - Microsoft Support
Paste: Ctrl + V. Maximize Window: F11 or Windows logo key + Up arrow. Open Task View: Windows logo key + Tab. Display and hide the desktop: Windows logo key + D. Switch between open apps: Alt + Tab. Open the Quick Link menu: Windows logo key + X. Lock your PC: Windows logo key + L. Depending on your hardware, you can use Windows logo key ...
Automatically fix Windows security issues - Microsoft Support
Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page. In the File Download dialog box, click Run or Open, and then follow the steps in the Windows Security Troubleshooter.
Change the power mode for your Windows PC - Microsoft Support
To change the power mode, select Start > Settings > System > Power & battery. For Power mode, choose the one you want. Note: You might not be able to change the power mode when a custom power plan is selected. If you can’t set the power mode in Power & battery settings, open Control Panel, select System and Security > Power Options, then ...
Guidelines and examples of array formulas - Microsoft Support
An array formula is a formula that can perform multiple calculations on one or more items in an array. You can think of an array as a row or column of values, or a combination of rows and columns of values. Array formulas can return either multiple results, or a single result. Beginning with the September 2018 update for Microsoft 365, any ...
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel for iPad, Excel for iPhone
Reinstall Windows - Microsoft Support
Select Create installation media (USB flash drive, DVD, or ISO file) for another PC, and then select Next. Choose a language, edition, and architecture (64-bit or 32-bit), and then select Next. Select USB flash drive, and then select Next. Follow the steps to create installation media, and then select Finish.
Mouse and keyboard problems in Windows - Microsoft Support
First, try checking your hardware. Try using a different USB port on your PC. If you use a USB hub between the device and the PC, make sure the hub has power. If it’s still not working, try removing the USB hub and plugging the device directly into a USB port on the PC. Make sure that the cables on your device aren't damaged in any way.
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. Note: Your taskbar settings determine where the taskbar is located. Press the Windows logo key on your keyboard. Swipe up from the bottom center or left of your screen ...