Screen mirroring and projecting to your PC or wireless display
Cast to a Windows PC from another Windows PC. On the PC you'd like to project from, select Start > Settings > System > Projecting to this PC . Under Add the “Wireless Display” optional feature to project to this PC, select Optional features . Next to Add an optional feature, select View features, then enter “wireless display.”.
欢迎使用 Windows
为Windows 11升级做好准备. 什么是 Microsoft 帐户. 备份 Windows 电脑. 获取有关你的 Microsoft 帐户的帮助.
Use System Restore - Microsoft Support
Select the Start button, then type control panel in the search box next to the Start button on the taskbar and select Control Panel (Desktop app) from the results. Search Control Panel for Recovery, and select Recovery > Open System Restore > Next . Choose the restore point related to the problematic app, driver, or update, and then select Next ...
如何登录到 Hotmail - Microsoft 支持
若要在 Outlook.com 中获取支持，请单击此处或选择菜单栏上的帮助，然后输入查询。如果自助服务无法解决问题，请向下滚动到“仍需要帮助？”，然后选择“是”。 若要在 Outlook.com 中联系我们，需要登录。 如果无法登录，请单击 此处。 若要获取其他有关 Microsoft 帐户和订阅的帮助，请访问 帐户和 ...
适用于:
Outlook.com
下载并安装应用 - Microsoft 支持
下载并安装应用. 设置 Microsoft 365 商业版订阅后，需要在电脑或 Mac 上下载并安装 Microsoft 365 应用，如 Word、Excel、Microsoft Teams 和 PowerPoint。. 转到 microsoft365.com 并使用 Microsoft 365 帐户登录。. 选择 “安装应用”。. 按照浏览器中的说明下载安装程序并开始安装 ...
了解 Windows Hello 并对其进行设置 - Microsoft 支持
设置 Windows Hello. 选择上面的按钮直接进入“ 设置 ”，或按照以下步骤设置 Windows Hello。. 依次选择“ 开始 ”>“ 设置 ”>“ 帐户 ”>“ 登录选项 ”。. 在“ 登录方式 ”，你将看到使用 Windows Hello 登录的三个选项：. 选择“ 人脸识别 (Windows Hello) ”以设置使用 ...
Update drivers manually in Windows - Microsoft Support
In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver. If Windows doesn't find a new driver, you can try looking for one on ...
Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
Open Device Manager - Microsoft Support
Open Device Manager. In the search box on the taskbar, type device manager, then select Device Manager from the menu.
Product activation for Windows – online & support telephone numbers
Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. There are three methods to which you can activate your product: Online via the internet, by telephone using our automated systems, and by a live support advocate. Online: When you begin activation ...