激活 Office - Microsoft 支持
如果新电脑上预安装了 Microsoft 365，则必须启动 Microsoft 365 家庭版 试用版或购买 Microsoft 365 才可继续使用 Microsoft 365。 注意: 如果正在 Windows 7 上运行 Microsoft 365(不再受支持，请参阅 Windows 7 终止支持和 Office )，则需要确保已默认启用 TLS 1.2。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
Surface won’t turn on or start - Microsoft Support
The info on this page applies to the following devices: Surface Book 3, Surface Book 2, Surface Book, Surface Go 4, Surface Go 3, Surface Go 2, Surface Go, Surface Laptop SE, Surface Laptop Studio 2, Surface Laptop Studio, Surface Laptop Go 3, Surface Laptop Go 2, Surface Laptop Go, Surface Laptop (7th Edition) Surface Laptop 6 for Business, Surface Laptop 5, Surface Laptop 4, Surface Laptop 3 ...
Manage background activity for apps in Windows
On the settings page for that app, change the setting for Let this app run in the background.Here’s a summary of each option: Always.The app is always allowed to run in the background—receive info, send notifications, and stay up to date—even when you’re not actively using it.
Windows Speech Recognition commands - Microsoft Support
To do this. Say this. Select an item by its name. File; Start; View . Select an item or icon. Click Recycle Bin; click Computer; click file name . Double-click an item. Double-click Computer; double-click Recycle Bin; double-click folder name . Right-click an item. Right-click Computer; right-click Recycle Bin; right-click folder name . Minimize all windows to show your desktop
Learn about performance features in Microsoft Edge
Efficiency mode What is efficiency mode in Microsoft Edge? Efficiency mode is designed to help extend battery life. It minimizes power usage by reducing resource usage through modifying background tab activity and some foreground activity, as well as putting inactive background tabs to sleep after 30 minutes or less of inactivity (if Save resources with sleeping tabs is on).
Applies To:
Microsoft Edge
从Windows 11中删除不需要的键盘或语言 - Microsoft 支持
如果在输入切换器或首选语言列表中看到不需要的键盘或输入方法，下面是修复它的一些方法。 从设置中删除语言
升级到 Windows 10 专业版 - Microsoft 支持
了解如何升级Windows 10 家庭版Windows 10 专业版访问更高级的安全性和网络功能。
将 Windows 家庭版升级到 Windows 专业版 - Microsoft 支持
了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。
在 Microsoft Edge 中查找“设置”/“工具”/Internet 选项
选择“设置”等时，Microsoft Edge 中的许多工具和 选项都可用。 如果未看到所需的选项，请选择“设置” 。 你可以更改浏览器主页或搜索引擎等设置、清除浏览历史记录和 Cookie，或在设备之间同步信息。
Find safe mode and other startup settings in Windows 10
After your PC restarts to the Choose an option screen, select Troubleshoot > Advanced options > Startup Settings > Restart.You may be asked to enter your BitLocker recovery key.