Codec packs add additional codec support to Windows. Apps like Media Player will then be able to play media files encoded in these formats. The following codecs packs are available: MPEG-2 Video Extension. Adds support for the MPEG-1 and MPEG-2 video formats. HEVC Video Extension.

This article describes how to retrieve basic information about your Windows device. Expand each section to learn more:

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

本页解答有关使用 Game Pass 订阅在电脑上玩 Blizzard 游戏的常见问题。. 若要使用 Game Pass 玩这些游戏，你需要是 Game Pass Ultimate 或 PC Game Pass 订阅者，或者是主机版 Game Pass 订阅者。. 某些 Blizzard 游戏可能适用于 Xbox Game Pass Standard – 可用性因游戏而异。. 若要查看 ...

Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Xbox Game Pass for Console FAQ. As of July 10, 2024, Xbox Game Pass for Console is no longer available for new members. Members who are already subscribed to Game Pass for Console and have automatic payment renewal enabled can continue to enjoy their membership.

兌換禮品卡與代碼，以購買 Xbox 並擴充您的 Xbox 訂閱。. 代碼的長度為 25 個字元 (包含數字和英文字母)，並採用 5x5 格式，即以五個字元為一組，共五組。. 代碼可以是您向 Microsoft 或信任的零售商購買的數位或實體卡片。. 如果您的帳戶有未付餘額，或是付款 ...

If you see a list of Android devices, choose the one you wish to pair with Phone Link to access your favorite apps, respond to texts, make calls, view photos, and more from your PC. Grant permissions on the Link to Windows app on your Android device. You are all set to use Phone Link.

If you're having trouble installing updates, see Troubleshoot problems updating Windows. For answers to frequently asked questions, see Windows Update: FAQ. To get the latest major update of Windows 11, see Get the latest Windows update. Check for Windows updates.

Manage background activity for apps in Windows. Some apps let you manage background activity, which determines what they can do when they’re in the background and not actively in use. Apps that can run in the background can send and receive notifications, sync information, and stay up to date.