Screen mirroring and projecting to your PC or wireless display
Note: The Wireless Display app is available on devices running Windows 11 version 22H2 and newer.If you're running an earlier version of Windows, launch the Connect app by entering connect in the search box on the taskbar, and selecting Connect in the list of results. To find out which version of Windows you're running, see Which version of Windows operating system am I running?
安装 Windows 11 的方法 - Microsoft 支持
开始之前 确保要安装 Windows 11 的设备满足最低系统要求。如果设备当前正在运行 Windows 10，建议使用电脑健康状况检查应用验证最低系统要求。 我们不建议在不符合要求的设备上安装 Windows 11。 有关详细信息，请参阅在不符合最低系统要求的电脑上安装 Windows 11。
Cómo iniciar o cerrar sesión en Outlook.com
Para obtener soporte técnico en Outlook.com, haga clic aquí o seleccione Ayuda en la barra de menús y escriba la consulta. Si la autoayuda no resuelve el problema, desplácese hacia abajo hasta ¿Necesita más ayuda? y seleccione Sí.. Para ponerte en contacto con nosotros en Outlook.com, tendrás que iniciar sesión.
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激活 Windows - Microsoft 支持
了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。 通过检查管理员上方是否显示电子邮件地址，确认管理员帐户也是你的 Microsoft 帐户。 如果显示了电子邮件地址，则这是 Microsoft 帐户。
Scan a document or picture - Microsoft Support
The Windows Scan app can help you scan pictures or documents and save them to your PC as JPEG, bitmap, or PNG files. For more info, see Install and use a scanner in Windows.. Get Windows Scan
如何使用远程桌面 - Microsoft 支持
设置你想要连接以使其允许远程连接的电脑： 确保你拥有 Windows 11 专业版。 若要检查这一点，请选择“开始 ”，然后打开“设置 ”。 然后，在“系统 ”下，选择“关于 ”，并在“Windows 规范”下，查找“版本”。 有关如何获取 Windows 11 专业版的详细信息，请转到“将 Windows 家庭版升级为 Windows ...
更改桌面背景图像 - Microsoft 支持
使用 Windows 设置应用更改桌面背景和颜色。 在 “个性化设置背景”旁边的列表中，选择“图片”、“ 纯色”、“ 幻灯片放映”或“ Windows 聚焦 (”，) 查看来自世界各地的新图像。
Finding your BitLocker recovery key in Windows - Microsoft Support
Where can I find my BitLocker recovery key? BitLocker likely ensured that a recovery key was safely backed up prior to activating protection. There are several places that your recovery key may be, depending on the choice that was made when activating BitLocker:
Back up your Windows PC - Microsoft Support
Step 2: Back up your folders. Windows Backup is an easy, single stop for all of your backup needs. Your free Microsoft account comes with 5 GB of OneDrive cloud storage (and more storage is available if you need it), and backing up your folders syncs the folders you specify to your OneDrive account, making them instantly accessible on all computers that you use with this Microsoft account.
Give your PC a Fresh Start - Microsoft Support
To reset your PC, go to Start > Settings > System > Recovery .Next to Reset this PC , select Reset PC.Then, select Keep my files, choose cloud or local, change your settings, and set Restore preinstalled apps? to No.. Open Recovery settings