Get Microsoft account help. Manage your personal account from a single dashboard, including payment information, purchases, subscriptions, and more. Go to your dashboard. You can use a Microsoft account, or a work or school account to sign into your Windows device.

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

Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

A Windows product key is a 25-character code used to activate Windows. It looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. Locate your product key for Windows 10 or Windows 11.

Start by running the automated audio troubleshooter in the Get Help app. Get Help automatically runs diagnostics and takes the correct steps to fix most audio issues. Open Get Help. If the Get Help app is unable to resolve your sound or audio issue, try the possible solutions listed: Windows 11 Windows 10. 1.

You can view and clear your Microsoft Edge browsing history stored on a single device, across all synced devices, and in the cloud. You may choose to clear your browsing history at any time.

Learn how to use Office products, get tips and tricks, and find answers to your questions. Office Help & Training is your online guide to productivity.

If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription. Tip: Get tech expertise with Business Assist.

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 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.