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 ...

Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint. Tip: If you don't see the SharePoint app under All apps, use the Search box near the top of the window to search for SharePoint. For more information, see Where to sign in to Microsoft 365.

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...

了解 Xbox X|S、Xbox One、Xbox 360 和 Windows 10 上的 Call of Duty（使命召唤）、如何购买该游戏以及从哪里可获取疑难解答帮助。

注意 主机上最近查看的列表仅适用于该特定设备上 Microsoft Store 中的最新活动。. 浏览内容后，该列表才会显示。. 要查找最近查看的列表：. 按“Xbox”按钮 打开指南，然后选择“Microsoft Store”>“列表”>“最近查看”。. 在此处，可以在特定时间集内浏览 Microsoft ...

获取有关损坏或不可读代码的帮助. 如果无法读取数字代码的全部 25 个字符，则需要通过联系 aka.ms/contactxboxsupport 请求替换代码。. 联系支持人员时，请确保提供购买证明、序列号和损坏代码的图片。. 注意 请拍摄卡片正面和背面的图片，或拍摄打印代码的收据 ...

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Create Windows 11 installation media. On the Windows 11 software download page , select Create tool now and follow the instructions to install Windows 11. Warning: Microsoft recommends against installing Windows 11 on a device that does not meet the Windows 11 minimum system requirements.

鼠标和键盘支持. Xbox 上的 Fortnite（堡垒之夜）支持使用鼠标和键盘玩游戏的功能。. 请注意，在 Xbox 上使用鼠标和键盘时，系统会将你与其他也选择鼠标和键盘作为其控制选项的用户放置在同一游戏中。. 若要使你的设置能够使用鼠标和键盘，请参阅：. 注意 ...

Help with BitLocker. Finding product keys for Windows and Office. Other support. Help with a work or school account password. I need to talk to a customer support agent. Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.