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 get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page. You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

兌換數位代碼. 所有 Xbox 數位代碼的長度都是 25 個字元，包含數字和英文字母，且格式為五個字元一組，共五組 (xxxxx-xxxxx-xxxxx-xxxxx-xxxxx)。. 如果您嘗試在 Windows 或 Xbox 裝置上兌換代碼，請確定您輸入的所有 25 個數字都正確。. 若要深入了解 Xbox 禮品卡和代碼，請 ...

Remote Assistance Support from Microsoft allows a Microsoft support professional in another location to view your computer screen and work on your computer over a secured connection. Protect yourself from tech support scams. Before clicking 'I accept', review the: Agreement for Microsoft Services. Microsoft Software License Terms.

Installation media, such as a USB flash drive, can be used to install a new copy of Windows, perform a clean installation of Windows, or reinstall Windows. To create installation media, go to the software download website, where step-by-step instructions can be found.

客戶服務電話號碼. 個人帳戶 公司或學校帳戶. 如需說明，請遵循下方的取得說明連結。. 請描述您的問題，我們會提供自助協助，或是將您連線到最適當的支持服務，其中可能包括聊天或要求通話，我們會打電話給您，讓您不必等候。.

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.

Microsoft卡和 Xbox 禮品卡以及下載代碼和令牌的運作方式相同：兌換到您的Microsoft帳戶后，您就可以在在線Microsoft市集、Windows 或 Xbox 上使用餘額，而且可以取得最新應用程式、遊戲、電影、電視節目，以及 Surface、Xbox 和配件的下載。

了解如何兑换礼品卡、代码或 Office 产品密钥，以及如何在 Microsoft Store 在线商店、Windows 或 Xbox 上花费余额。