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 ...

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.

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.

在移动设备上打开 Xbox 应用。. 选择要在主屏幕上管理其支出的成员。. 或者选择“设置”，然后选择成员的帐户。. 在“支出”下，选择“请求购买”游戏。. 在“Microsoft 帐户余额”下，选择“充值”。. 加载应用内浏览器时，选择所需的金额，然后选择“下一 ...

80190864. 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 ...

From the next screen, select Troubleshoot > Advanced options > UEFI Firmware Settings > Restart to make changes. To change these settings, you will need to switch the PC boot mode from one enabled as “Legacy” BIOS (also known as “CSM” Mode) to UEFI/BIOS (Unified Extensible Firmware Interface). In some cases, there are options to enable ...

如果你是 Xbox Game Pass Ultimate 会员，你将自动在主机上获得 EA Play 订阅会员资格，并可通过主机上的 Xbox Game Pass 体验浏览和下载 EA Play 游戏。. 如果你是 Xbox Game Pass Ultimate 或 PC Game Pass 会员，则需要关联你的 EA 和 Xbox 帐户，然后确保你的电脑上安装了 EA Desktop ...

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

我们现在正在调查此问题。. 在此期间，登录到你的帐户以查看最新的退款请求状态。. 当你尝试兑换在 Xbox One 或 Xbox.com 上购买的数字代码时收到以下错误消息之一：. 兑换其他充值码。. 你尝试兑换的充值码所针对的货币与你的帐户位置不符。. 如果你更改了你 ...

Avoid and report Microsoft technical support scams. 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 ...