如何登录到 Hotmail - Microsoft 支持
Hotmail 现在是 Outlook.com。 了解如何登录以访问 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户。
Applies To:
Outlook.com
Reactivating Windows after a hardware change - Microsoft Support
Learn how to prepare your Windows device for a hardware change and find help reactivating Windows after a hardware change is complete.
Office 2021 and Office LTSC for Windows and Mac FAQ
Find answers to frequently asked questions about Office 2021 and Office LTSC for Windows and Mac on the official support page.
Applies To:
Office 2021, Office 2021 for Mac
下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013
了解如何在电脑上安装 Office 2013 或 Office for Mac 2011。
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Repair a corrupted workbook - Microsoft Support
Recover a corrupted workbook manually when Excel can't start File Recovery mode automatically and learn about saving backup and recovery files to prevent losing your work.
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Find out which Surface model you have - Microsoft Support
Find out what model of Surface you're using. There are several ways to find out which Surface device model you have. Look in the Surface app
Turn Microsoft Defender Firewall on or off - Microsoft Support
Get the steps for turning Windows Defender Firewall on or off.
Xbox Cloud Gaming in Microsoft Edge with Steam Deck
How to set up Xbox Cloud Gaming on a Steam Deck device using the Microsoft Edge browser.
Applies To:
Microsoft Edge
Choose language settings for your keyboard, websites, and apps
Get steps for how to add and switch input language preferences in Windows.
Download the new Microsoft Edge based on Chromium
Learn how to download the new version of Microosft Edge, based on Chromium.