Multiple desktops in Windows - Microsoft Support
Use multiple desktops in Windows to organize projects, or quickly switch between desktops before a meeting.
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。
Windows Server 2022 update history - Microsoft Support
Updates for Windows Server 2022. Windows Server 2022 is the latest release in our Long-Term Servicing Channel (LTSC). It builds on Windows Server 2019, our fastest adopted Windows Server ever.
Office にサインインする - Microsoft サポート
デスクトップ アプリケーションまたは Web ブラウザーから Office または Microsoft 365 にサインインする方法について説明します。
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, Project Online Desktop Client, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel for the web, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, OneNote for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Project Online, Microsoft 365 for Mac
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
Troubleshoot Windows Media Player Errors - Microsoft Support
Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.
Stay up to date with widgets - Microsoft Support
Use widgets to stay informed and entertained on Windows 10. Find out how to customize and access the widgets board.
Format a date the way you want - Microsoft Support
If you don’t like the default date format, you can pick a different one in Excel, like February 2, 2012 or 2/2/12. You can also create your own custom format in Excel.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Microsoft Store doesn't open - Microsoft Support
Try these troubleshooting steps if Microsoft Store does not launch in Windows 10.
更改桌面背景图像 - Microsoft 支持
使用 Windows 设置应用更改桌面背景和颜色。