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.

You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

If you pre-ordered a game and want to cancel, you can do so up to 10 days before the game launches at: Order history. After this time, you may be billed, and you’ll need to request a refund to cancel your order. For more info about digital game pre-orders, see: Pre-order Xbox digital games in the Microsoft Store.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

Check the Xbox services, games, and apps for any service outages.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

To find downloads on your PC: Under Quick access, select Downloads. Note: If necessary, go to the View tab, select Navigation pane, and ensure that Navigation pane is checked. You can also find your Downloads folder under This PC. Learn how to find where your browser is saving downloads.

哪裡可以找到我的特別福利，以及如何進行兌換？. Xbox Game Pass Ultimate 會員獨享特別福利存取權。. 新內容會定期新增，您可在 Xbox Series X|S、Xbox One、Xbox Game Pass 行動應用程式或 Windows 10 電腦專用 Xbox 應用程式上檢視及兌換。.

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. Learn how to get the latest Windows updates to keep your device running smoothly and securely.