Windows 11 Windows 10. If you’re working on a Windows PC and want the apps and content from another device to show on your PC screen, you’ll want to consider mirroring that device‘s screen or projecting it to your PC. Note that you’ll need a device that supports Miracast. Here’s how to mirror another screen or project to your PC.

Surface Pro 8 is designed to highlight the best of Windows 11 and combine the power for a laptop, the flexibility of a tablet, and everything in between. Volume. 3.5 mm headset jack. Windows Hello facial-recognition camera. Front-facing camera. Power button. USB-C port. Surface Connect port. Surface Signature Type Cover (sold separately)

Windows 11 Windows 10 Surface. Updates keep your Surface performing its best. Along with software updates for Windows 10 or Windows 11, it's important to make hardware updates, also known as updates for drivers and firmware. You can quickly check the health of your Surface drivers and firmware using the Surface app. Open the Surface app.

DirectX 是 Windows 中的一组组件，允许软件（主要且尤其是游戏）直接与视频和音频硬件结合使用。 使用 DirectX 的游戏可以更有效地使用内置于硬件的多媒体加速器功能，从而改善你的整体多媒体体验。 检查安装的 DirectX 版本. DxDiag 工具报告有关系统上安装的 DirectX 组件和驱动程序的详细信息，并且可以使用。 Windows 10. Windows 8.1 或 8. Windows 7 或更低版本. DirectX 版本和更新（按操作系统） Windows 10 和 Server 2016 Technical Preview. Windows 8、RT、8.1、Server 2012 和 Server 2012 R2.

获取有关Windows 更新的详细信息. 在设备可用后立即获取 Windows 更新. 当设备准备好最新的 Windows 更新后，可以从“设置”中的“Windows 更新”页面下载它。

Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

Windows 中的网络问题疑难解答. 如果无法获取电子邮件、浏览 Web 或流式传输音乐，则很可能未连接到网络，无法访问 Internet。 要解决此问题，可以尝试以下操作。 Windows 11 Windows 10 Windows 8.1 Windows 7. 首先尝试以下操作. 首先尝试执行以下操作来帮助你解决连接问题或缩小该问题的范围。 运行 获取帮助 以排查和修复常见的连接问题。 右击任务栏右侧的网络图标，然后选择“ 诊断网络问题 ”或打开“ 获取网络和 Internet 帮助 ” 确保 WLAN 已打开。 选择任务栏右侧的“ 无 Internet ”图标，并确保 Wi-Fi 已打开。 如果不是，请选择它以将其打开。 此外，请确保 飞行模式 已关闭。

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Step 1. Download the offline installer from your account portal. To download the offline installer, go to www.office.com. If you're not already signed in with the Microsoft account associated with your copy of Microsoft 365 or Microsoft 365 do that now.

Ready to install? Before you begin, make sure your PC or Mac meets the system requirements. If you already redeemed a product key, you're simply reinstalling the apps, or you know you have an assigned license through work or school, you can skip ahead and go to the section sign in to download and install Microsoft 365 or Office.