If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide. If we detect a problem with your account, we'll tell you what you need to do to solve the problem.

Supercharge your creativity and productivity with a premium Copilot experience. Download the Copilot app for a 1-month free trial of Copilot Pro. Get the Copilot app. 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.

The classic cold-call scam. The scammers call you and claim to be from the tech support team of Microsoft or another company. They offer to help solve your computer "problems".

在您進行遊戲時，按 Windows 鍵 + G 開啟 Game Bar。. 選擇 [小工具] 功能表 > [擷取]。. 選擇 [開始錄影]、[抓取螢幕擷取畫面] 或 [錄製最後…]。. 錄製最後一個…. 開啟背景錄影時，可將最近的遊戲過程片段變成遊戲短片。. 在 [Windows 設定] > [遊戲] > [捕捉畫面] 中設定 ...

此错误代码可能表示以下情形之一：. 你的银行未授权你的支付选项（例如，你的信用卡已过期、被冻结或者已被拒绝）。. 请联系你的信用卡公司或银行，确保正在使用的支付选项已激活，具有可用资金，且交易并未因为某些原因而受到阻止。. 如果用于为 Xbox ...

如何使用云游戏. 注意 云游戏不支持本地多人游戏。. 目前，它一次仅支持一个玩家和一个帐户。. 云游戏需要 Game Pass Ultimate 或受支持的免费玩游戏服务。. 部分地区当前支持云游戏。. 有关支持云游戏的国家或地区列表，请参阅以下内容中的“云游戏（仅限 ...

Security. Microsoft will never proactively reach out to you to provide unsolicited PC or technical support. If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your “issue” fixed, it’s better to be safe and not click any links or ...

作爲訂閲的一部分，Xbox Game Pass Ultimate 和 PC 會員可享受 10% 的 EA 數位購買 (完整遊戲、DLC 等) 折扣。Ultimate 會員可以在 Xbox 主機或 Xbox.com 上透過 Microsoft Store 購買主機遊戲，而 Ultimate 和 PC 會員可以透過 EA 應用程式 (現為 Beta 版) 購買 PC 遊戲。

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

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. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is ...