Press and hold (or right-click) the MP4 file you want to play, select Open with, and then choose your preferred file player from the list of applications.

以下是查找 Windows 帮助的多种不同方法: 搜索帮助 - 在任务栏上的搜索框中输入问题或关键字，以查找应用、文件和设置并从 Web 获取帮助。

Si votre PC fonctionne actuellement sous Windows 10, l’application Contrôle d'intégrité du PC vous permet d’effectuer une vérification complète de l’éligibilité de votre appareil afin de vous assurer qu’il répond à la configuration minimale requise pour Windows 11. Vous obtenez des informations sur la raison pour laquelle votre appareil est éligible ou non, ainsi que des ...

Learn how reserved storage works in Windows to conserve disk space for temporary files, caches, and other files.

Открытие приложения "Камера" в Windows. Чтобы открыть веб-камеру или веб-камеру, выберите Начните, а затем выберите Все приложения ,а затем выберите Камера в списке приложений. Если у вас несколько камер, вы можете ...

Before you start. Check these things before you start troubleshooting Bluetooth on your device: Check your product information. If you’re setting up a new device and Bluetooth is missing, check the product specifications to make sure it has Bluetooth capabilities.

If Windows Update finds an updated driver, it will download and install it, and your printer will automatically use it. If a device driver couldn’t be installed automatically, there may be an optional driver available that your printer can use.

选择 “屏幕上方”、“ 屏幕下方”或“ 屏幕上叠加”。. 选择 “屏幕上方”或“ 屏幕下方”时，字幕窗口将显示为停靠在桌面上预留空间中的顶部或底部屏幕边缘，并且字幕窗口不会阻止其他应用。当停靠到顶部时，你可能会发现实时字幕在虚拟会议或对话中共享视频时效果良好，而在其他情况 ...

To check activation status in Windows 11, select the Start button, and then select Settings > System and then select Activation .. Your activation status will be listed next to Activation.. Check activation status in Settings. You'll see one of these activation status messages on the Activation page:

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