About Windows backup and sync settings - Microsoft Support
Windows backup and sync settings sync the settings you choose across all your Windows devices that you've signed in to with your Microsoft account.
Applies To:
Microsoft account dashboard
How to share files in File Explorer on Windows
Learn how to share files in File Explorer on Windows 11 or Windows 10 using OneDrive, email, or nearby device.
Manage background activity for apps in Windows
Learn how to manage background activity for apps to help save battery power in Windows.
Product activation for Windows – online & support telephone numbers
Learn how to activate Windows using an internet connection, automated system, or live support advocate.
Quick start: Create a macro - Microsoft Support
How to create, edit, and run Excel macros to automate data entry and tasks.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
在 Windows 中以安全模式启动电脑 - Microsoft 支持
通过使用一组有限的文件和驱动程序，安全模式可使 Windows 在基本状态下启动。 如果在安全模式下没有出现问题，你就会知道默认设置和基本设备驱动程序不是导致此问题的原因。
Improved copy and paste of URLs in Microsoft Edge
Microsoft Edge has an improved way to copy and paste paste web URLs from the address bar into your content. This feature copies and pastes a URL as a hyperlinked title instead of as a web address.
Filter websites and searches using Microsoft Family Safety
Use family safety settings to block inappropriate websites and searches on Windows, Xbox and mobile devices.
Applies To:
Microsoft Family Safety
Faster and more secure Wi-Fi in Windows - Microsoft Support
Learn how to use Wi-Fi 7 and Wi-Fi 6 and WPA3 in Windows for better wireless coverage and network security.
激活 Windows - Microsoft 支持
了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。