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Screen mirroring and projecting to your PC or wireless display
Cast to a display from a Windows PC. 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.
Redeem a gift card or code to your Microsoft account
Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.
Applies To: Microsoft account dashboard
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Select Install (or depending on your version, Install apps> ). From the home page select Install apps (If you set a different start page, go to aka.ms/office-install .) For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn/account. For Microsoft 365 Germany go to portal.office.de/account.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Request a refund for digital games | Xbox Support
If you don’t have access to the account that made the purchase, you’ll need to contact your financial institution for a refund. We provide digital game product refunds as part of a consistent and reliable buying experience.
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. Run the System File Checker tool (SFC.exe) To do this, follow these steps:
如何兌換禮品卡和代碼 | Xbox Support
同時,請登入您的帳戶以查看您最新的退款要求狀態。. 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 ...
通过 Xbox Game Pass 获取 zh-SG EA Play 订阅会员资格
如果你是 Xbox Game Pass Ultimate 或 PC Game Pass 会员,则需要关联你的 Xbox 和 EA 帐户,并确保已安装了 EA 应用(Beta 版本),才能在电脑上享受 EA Play 游戏。. 如果还没有执行以上两步操作,则 Windows 版 Xbox 应用将会指导你完成设置过程。. 如果你已在 Xbox 主机上玩过 ...
Find your Windows product key - Microsoft Support
Locate your product key for Windows 7 or Windows 8.1. A product key is usually required when uninstalling or reinstalling Windows 7 or Windows 8.1. Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in.
Applies To: Microsoft account dashboard
Enable TPM 2.0 on your PC - Microsoft Support
TPM 2.0 is used in Windows 11 for a number of features, including Windows Hello for identity protection and BitLocker for data protection. In some cases, PCs that are capable of running TPM 2.0 are not set up to do so. If you are considering upgrading to Windows 11, check to ensure TPM 2.0 is enabled on your device.
Cloud gaming with Xbox | Xbox Support
Cloud gaming on third-party services. Learn about cloud gaming on Xbox using your Android, iOS, or Windows device.