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.

注意: 如果想要查找有关特定错误代码的信息或遇到了产品密钥问题，请参阅获取有关 Windows 激活错误的帮助。 在这里，通过按 CTRL+F 并在搜索框中键入或粘贴错误代码或“产品密钥”，可找到有关你的代码的特定信息及解决方案。

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.

Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)

When you use Game Mode, Windows prioritizes your gaming experience by turning things off in the background. When you’re running a game, Game Mode:

Method. Used for. Authenticator app. Two-factor verification and password reset authentication. Text messages. Two-factor verification and password reset authentication.

Résoudre les problèmes liés à l'utilisation d'accessoires Bluetooth. Si vous pouvez activer la fonctionnalité Bluetooth, mais que vous rencontrez des problèmes d'association ou d'utilisation d’un accessoire Bluetooth, utilisez les instructions ci-dessous, qui peuvent vous aider à résoudre les problèmes courants liés à l'utilisation d'accessoires Bluetooth.

Tip: Instead of inviting people to share a notebook, you can create a special link to the notebook that you can then copy and paste into an email, into a text message, or onto a webpage.On the Send Link pane, click Copy Link.Keep in mind, access to this link is controlled by the access set for sharing at the top of the Send Link pane.

Visualizations are colors, shapes, and patterns that move to the music in Windows Media Player Now Playing mode. The Player comes with a number of visualizations, and you can download more on this page.

Review the warranty terms, check your warranty status, and learn about the protection plans for your Microsoft device or accessory.