激活 Office - Microsoft 支持
如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。
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
Phone Link help & learning
Discover how to use Microsoft Phone Link to connect your Android or iPhone to your PC for seamless access to notifications, calls, and apps.
Turn off Defender antivirus protection in Windows Security
Follow these steps to temporarily turn off Defender antivirus protection in Windows Security. Keep in mind that if you do, your device may be vulnerable to threats.
Windows 10 update history - Microsoft Support
Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.
Find action center in Windows 10 - Microsoft Support
In Windows 10, the new action center is where you'll find app notifications and quick actions. On the taskbar, look for the action center icon.. The old action center is still here; it's been renamed Security and Maintenance, and it's still where you go to change your security settings.. In the search box on the taskbar, type security and maintenance and then select Security and Maintenance ...
Installer et utiliser un scanneur dans Windows 10
Découvrez comment installer un scanneur et l’utiliser pour numériser des images et des documents dans Windows 10.
Keyboard shortcuts in Word - Microsoft Support
Learn how to use keyboard shortcuts in Word to navigate, select, format, and edit your documents faster and easier.
Applies To:
Word for Microsoft 365, Word for Microsoft 365 for Mac, Word for the web, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016, Word for iPad, Word for iPhone, Word for Android tablets, Word for Android phones, Word Mobile
Manage devices used with your Microsoft account
Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.
Applies To:
Microsoft account dashboard
Surface Pro help & learning
Surface app. With integrated help and support, you can find solutions to questions and issues directly from the Surface app. You can easily access device, charging, and warranty information and view and customize your connected Surface accessories.
Windows 10 update history - Microsoft Support
Learn more about updates for Windows 10, version 2004, including improvement and fixes, any known issues, and how to get the update.