Activate Windows - Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
Troubleshooting verification code issues - Microsoft Support
There are a number of possible explanations for why verification codes don't always arrive. Read through the list of the most common causes, and see if any of them apply to you, or use our troubleshooter to help guide you.
Applies To:
Microsoft account dashboard
Manage photos and videos with Microsoft Photos app
Learn how the Photos app for Windows lets you view photos and videos from your PC alongside those from OneDrive, and keeps them organized by date, album, or folder.
Pair a Bluetooth device in Windows - Microsoft Support
Learn how to connect a Bluetooth device in Windows and adjust Bluetooth pairing settings.
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
如何将 IF 函数 (与 Excel 中) AND、OR 和 NOT 函数结合使用，以在给定值之间进行逻辑比较。
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, Excel Web App, Excel for Windows Phone 10
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
Download and install or reinstall Office 2019, Office 2016, or Office ...
Learn how to install Office 2013 on your PC or Office for Mac 2011.
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Windows 11 System Requirements - Microsoft Support
Learn about Windows 11 minimum system requirements and how to assess your upgrade eligibility.
Phone Link requirements and setup - Microsoft Support
We recommend always having the latest version of Windows installed to make sure you get the best experience with the Phone Link .