Use the System File Checker tool to repair missing or corrupted system ...
If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.
Redeem a gift card or code to your Microsoft account
How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox ...
Applies To:
Microsoft account dashboard
Block or remove a bot in Microsoft Teams - Microsoft Support
Block or remove a bot in Microsoft Teams. To stop a bot from participating in a one-on-one chat, first find the chat name in your chat list, then click More options > Mute. If you want to remove a bot entirely from a channel, find the channel name, then click More options > Manage team.
Applies To:
Microsoft Teams
Fix sound or audio problems in Windows - Microsoft Support
Start by running the automated audio troubleshooter in the Get Help app. Get Help automatically runs diagnostics and takes the correct steps to fix most audio issues. Open Get Help. If the Get Help app is unable to resolve your sound or audio issue, try the possible solutions listed: Windows 11 Windows 10. 1.
即時訊息 | Skype Bot | Skype 支援
取得 iPad 版 Skype 的 Skype Skype Bot支援，讓您不論身在何處都能與親朋好友保持聯繫。
Request a refund for digital games | Xbox Support
Find out how to submit a request for a refund for a purchase of digital Xbox content.
How to use the PC Health Check app - Microsoft Support
How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version.
Create installation media for Windows - Microsoft Support
You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.
Recover lost or deleted files - Microsoft Support
Restoring files from previous versions. Restore deleted files and folders or restore a file or folder to a previous state. Navigate to the folder that used to contain the file or folder, right-click it, and then select Restore previous versions.
在 Xbox 上管理可选数据共享设置 | Xbox Support
可选数据包括：. 在移动设备或电脑上使用主机或 Xbox 应用时执行的操作. 增强型错误报告（导致错误和崩溃的情况的详细诊断数据）. 主机硬件状态和设置的详细信息. 应用和设备性能数据. 我们使用这些数据来改善 Xbox 体验并为游戏和应用提供建议。. 借助这些 ...