检查你的版本 DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

Windows メディア プレーヤーの使用中に、吃音、フリーズ、スキップ、遅れ、音が出ないなどの再生の問題が発生する可能性があります。 これらの問題は、ファイル全体またはその特定の部分にのみ影響する可能性があります。

System File Checker is a utility in Windows that checks for problems with files on your computer. To run it, follow these steps: Make sure you've installed the latest updates for Windows, and then restart your machine.

Training: Microsoft Teams is a collaboration app built for hybrid work to help you and your team stay informed, organized, and connected. Learn how in this video.

The recommended (and easiest) way to get SP1 is to turn on automatic updating in Windows Update in Control Panel and wait for Windows 7 to notify you that SP1 is ready to install.

Receive photos, videos, or other kinds of files that you or a friend shares from another device, such as a phone, laptop, or tablet. On your PC, select Start > Settings > Devices > Bluetooth & other devices. Learn how to pair.

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

Setting up the modem and Internet connection. After you have all the equipment, you'll need to set up your modem and Internet connection. If your modem wasn't set up for you by your Internet service provider (ISP), follow the instructions that came with your modem to connect it to your PC and the Internet.

Release Channel. Available. Next Step. Windows Update or Microsoft Update. Yes. Go to Settings > Windows Update > Advanced options > Optional updates.On the Optional updates page, you’ll find the link to download and install this update. Windows Update for Business. No. See the other release channel options.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.