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下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013
注意: 如果是通过以下任一方式获取的 Microsoft 365:Microsoft 工作区折扣计划(以前称为家用许可计划),则安装 2019、2016 或 2013 版的 Office 专业增强版、Office 标准版或独立应用(如 Word 或 Project)的步骤可能会有所不同:如果你通过公司购买了 Microsoft 365 供个人使用,请参阅通过工作场所折扣计划安装 ...
适用于: Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Product activation for Windows – online & support telephone numbers
Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. There are three methods to which you can activate your product: Online via the internet, by telephone using our automated systems, and by a live support advocate. Online: When you begin activation ...
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Free up drive space in Windows - Microsoft Support
These suggestions are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn't. To check the total disk space left on your Windows 11 device, select File Explorer from the taskbar, and then select This PC on the left. The available space on your drive will appear under Devices and drives.
Activate Windows - Microsoft Support
Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...
Delete cookies in Microsoft Edge - Microsoft Support
In Edge, select Settings and more > Settings > Cookies and site permissions. Under Cookies and data stored, select Manage and delete cookies and site data > See all cookies and site data and search for the site whose cookies you want to delete. Select the down arrow to the right of the site whose cookies you want to delete and select Delete .
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 ...
Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
Keyboard shortcuts in Windows - Microsoft Support
Keyboard shortcuts in Windows. Keyboard shortcuts are keys or combinations of keys that provide an alternative way to do something that you’d typically do with a mouse. If you are trying to take a screenshot or screengrab, see How to take and annotate screenshots. Click an option below, and it'll open to display a table of related shortcuts:
改进了 Microsoft Edge 中 URL 的复制和粘贴 - Microsoft 支持
在 Microsoft Edge 中,通过右键单击地址栏并选择上下文菜单中的"复制",或者选择地址并按 Ctrl + C,从地址栏中复制该 URL。. 在应用中,按 Ctrl + Shift + V 粘贴 Web 地址。. 如果要粘贴到 Microsoft Edge 的应用或网站中,也可以右键单击,在上下文菜单中选择"粘贴",然后 ...