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

Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Share files in File Explorer. Make a Wi-Fi network public or private in Windows. Fix network connection issues in Windows. In Windows 10, some features of file and folder sharing over a network have changed, including . Read on for answers to common questions about other changes to file and folder sharing in Windows 10.

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.

Step 1: Power cycle your console and network hardware. To perform a power cycle reset, follow these steps: Unplug the power cable from the back of the router, modem, or gateway for 5 minutes. If you have a router and a modem, unplug the power cable from both devices. Restart your console.

Never click any links or attachments in suspicious emails or Teams messages. If you receive a suspicious message from an organization and worry the message could be legitimate, go to your web browser and open a new tab. Then go to the organization's website from your own saved favorite, or via a web search.

兑换礼品卡和充值码以进行 Xbox 购买和延长 Xbox 订阅。. 代码的长度为 25 个字符，包括数字和字母，并且采用横竖 5 个字符的 5x5 格式。. 代码可以是你从 Microsoft 或受信任的零售商处购买的数字卡或物理卡。. 请注意，如果帐户的未结余额或付款选项不再有效 ...

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

Get the latest Xbox support information and updates for your console, games, and apps. See if there are any service outages or issues affecting your Xbox experience.

You can join a Teams meeting anytime, from any device, whether or not you have a Teams account. If you don't have an account, follow these steps to join. If you're having trouble joining a Teams meeting, try I can't join a Teams meeting.