Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
管理应用中应用的后台Windows - Microsoft 支持
在该应用的设置页上,更改"允许 此应用在后台运行"的设置。下面是每个选项的摘要: 始终为 。始终允许应用在后台运行(接收信息、发送通知和保持最新状态,即使你未主动使用它)。
Learn about your profile in Microsoft Teams (free) - Microsoft Support
We believe that Microsoft Teams (free) is a place where minors can interact safely to build on friendships and meaningful community. We also know that keeping online experiences safe and positive involves more than building in permission settings and controls.
Applies To: Microsoft Teams, Microsoft Teams personal
Deprecation of Microsoft Support Diagnostic Tool (MSDT) and MSDT ...
Devices running Windows 11 version 22H2 and older. If you're running Windows 11 version 22H2 and older, Windows 10, Windows 8.1, Windows 7 or any other earlier OS version, your device will not be affected by the MSDT Troubleshooter retirement.
Add money to your family member's Microsoft account
Help family members shop responsibly by setting allowances in Microsoft accounts. Money added to a Microsoft account can be used to buy movies, games, in-app purchases and more.
Applies To: Microsoft Family Safety
October 10, 2023—KB5031358 (OS Build 22000.2538)
Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)
Troubleshoot buying issues with Microsoft Store
Try these steps if you’re having trouble buying apps, games, or downloads from the Microsoft Store.
Applies To: Microsoft account dashboard
Plug-ins and add-ons for Windows Media Player
For Windows 10.The Windows DVD Player app is available free for a limited time for people upgrading to Windows 10 from Windows 7 Home Premium, Windows 7 Professional, Windows 7 Ultimate, Windows 8, or Windows 8.1 with Windows Media Center.
Windows 帮助和学习
查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持,并了解安装、更新、隐私、安全等方面的信息。
Fix Bluetooth problems in Windows - Microsoft Support
Before you start. Check these things before you start troubleshooting Bluetooth on your device: Check your product information. If you’re setting up a new device and Bluetooth is missing, check the product specifications to make sure it has Bluetooth capabilities.
Enable TPM 2.0 on your PC - Microsoft Support
How to enable TPM. If you need to enable TPM, these settings are managed via the UEFI BIOS (PC firmware) and vary based on your device. You can access these settings by choosing: Settings > Update & Security > Recovery > Restart now. From the next screen, choose Troubleshoot > Advanced options > UEFI Firmware Settings > Restart to make the changes.