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.

At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning.Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Remarque : Le meilleur moyen et le plus sûr d’obtenir les mises à jour des pilotes dans Windows consiste toujours à Windows Update.Si vous rencontrez des problèmes avec Windows Update, vous pouvez voir si l’un des liens de Update Windows peut vous aider en premier.

Активация позволяет убедиться, что ваша копия Windows подлинная и не используется на большем числе устройств, чем разрешено условиями лицензионного соглашения на использование программного обеспечения корпорации ...

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.

Windows 10 updates provide the latest features and security improvements to help keep your PC more current and more secure. Before the installation process starts, Windows checks to make sure there’s enough storage space on your device for the installation process and for these new features and security improvements.

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.

Prevents Windows Update from performing driver installations and sending restart notifications; Helps achieve a more stable frame rate depending on the specific game and system

Smart App Control adds significant protection from new and emerging threats by blocking apps that are malicious or untrusted. Smart App Control also helps to block potentially unwanted apps, which are apps that may cause your device to run slowly, display unexpected ads, offer extra software you didn't want, or do other things you don't expect.